src/share/classes/java/util/regex/Pattern.java

Print this page

        

*** 43,54 **** /** * A compiled representation of a regular expression. * * <p> A regular expression, specified as a string, must first be compiled into * an instance of this class. The resulting pattern can then be used to create ! * a {@link Matcher} object that can match arbitrary {@link ! * java.lang.CharSequence </code>character sequences<code>} against the regular * expression. All of the state involved in performing a match resides in the * matcher, so many matchers can share the same pattern. * * <p> A typical invocation sequence is thus * --- 43,54 ---- /** * A compiled representation of a regular expression. * * <p> A regular expression, specified as a string, must first be compiled into * an instance of this class. The resulting pattern can then be used to create ! * a {@link Matcher} object that can match arbitrary {@linkplain ! * java.lang.CharSequence character sequences} against the regular * expression. All of the state involved in performing a match resides in the * matcher, so many matchers can share the same pattern. * * <p> A typical invocation sequence is thus *
*** 71,89 **** * <p> Instances of this class are immutable and are safe for use by multiple * concurrent threads. Instances of the {@link Matcher} class are not safe for * such use. * * ! * <a name="sum"> ! * <h4> Summary of regular-expression constructs </h4> * * <table border="0" cellpadding="1" cellspacing="0" * summary="Regular expression constructs, and what they match"> * * <tr align="left"> ! * <th bgcolor="#CCCCFF" align="left" id="construct">Construct</th> ! * <th bgcolor="#CCCCFF" align="left" id="matches">Matches</th> * </tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="characters">Characters</th></tr> * --- 71,88 ---- * <p> Instances of this class are immutable and are safe for use by multiple * concurrent threads. Instances of the {@link Matcher} class are not safe for * such use. * * ! * <h3><a name="sum">Summary of regular-expression constructs</a></h3> * * <table border="0" cellpadding="1" cellspacing="0" * summary="Regular expression constructs, and what they match"> * * <tr align="left"> ! * <th align="left" id="construct">Construct</th> ! * <th align="left" id="matches">Matches</th> * </tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="characters">Characters</th></tr> *
*** 126,153 **** * <td headers="matches">The control character corresponding to <i>x</i></td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="classes">Character classes</th></tr> * ! * <tr><td valign="top" headers="construct classes"><tt>[abc]</tt></td> ! * <td headers="matches"><tt>a</tt>, <tt>b</tt>, or <tt>c</tt> (simple class)</td></tr> ! * <tr><td valign="top" headers="construct classes"><tt>[^abc]</tt></td> ! * <td headers="matches">Any character except <tt>a</tt>, <tt>b</tt>, or <tt>c</tt> (negation)</td></tr> ! * <tr><td valign="top" headers="construct classes"><tt>[a-zA-Z]</tt></td> ! * <td headers="matches"><tt>a</tt> through <tt>z</tt> ! * or <tt>A</tt> through <tt>Z</tt>, inclusive (range)</td></tr> ! * <tr><td valign="top" headers="construct classes"><tt>[a-d[m-p]]</tt></td> ! * <td headers="matches"><tt>a</tt> through <tt>d</tt>, ! * or <tt>m</tt> through <tt>p</tt>: <tt>[a-dm-p]</tt> (union)</td></tr> ! * <tr><td valign="top" headers="construct classes"><tt>[a-z&&[def]]</tt></td> ! * <td headers="matches"><tt>d</tt>, <tt>e</tt>, or <tt>f</tt> (intersection)</tr> ! * <tr><td valign="top" headers="construct classes"><tt>[a-z&&[^bc]]</tt></td> ! * <td headers="matches"><tt>a</tt> through <tt>z</tt>, ! * except for <tt>b</tt> and <tt>c</tt>: <tt>[ad-z]</tt> (subtraction)</td></tr> ! * <tr><td valign="top" headers="construct classes"><tt>[a-z&&[^m-p]]</tt></td> ! * <td headers="matches"><tt>a</tt> through <tt>z</tt>, ! * and not <tt>m</tt> through <tt>p</tt>: <tt>[a-lq-z]</tt>(subtraction)</td></tr> * <tr><th>&nbsp;</th></tr> * * <tr align="left"><th colspan="2" id="predef">Predefined character classes</th></tr> * * <tr><td valign="top" headers="construct predef"><tt>.</tt></td> --- 125,152 ---- * <td headers="matches">The control character corresponding to <i>x</i></td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="classes">Character classes</th></tr> * ! * <tr><td valign="top" headers="construct classes">{@code [abc]}</td> ! * <td headers="matches">{@code a}, {@code b}, or {@code c} (simple class)</td></tr> ! * <tr><td valign="top" headers="construct classes">{@code [^abc]}</td> ! * <td headers="matches">Any character except {@code a}, {@code b}, or {@code c} (negation)</td></tr> ! * <tr><td valign="top" headers="construct classes">{@code [a-zA-Z]}</td> ! * <td headers="matches">{@code a} through {@code z} ! * or {@code A} through {@code Z}, inclusive (range)</td></tr> ! * <tr><td valign="top" headers="construct classes">{@code [a-d[m-p]]}</td> ! * <td headers="matches">{@code a} through {@code d}, ! * or {@code m} through {@code p}: {@code [a-dm-p]} (union)</td></tr> ! * <tr><td valign="top" headers="construct classes">{@code [a-z&&[def]]}</td> ! * <td headers="matches">{@code d}, {@code e}, or {@code f} (intersection)</tr> ! * <tr><td valign="top" headers="construct classes">{@code [a-z&&[^bc]]}</td> ! * <td headers="matches">{@code a} through {@code z}, ! * except for {@code b} and {@code c}: {@code [ad-z]} (subtraction)</td></tr> ! * <tr><td valign="top" headers="construct classes">{@code [a-z&&[^m-p]]}</td> ! * <td headers="matches">{@code a} through {@code z}, ! * and not {@code m} through {@code p}: {@code [a-lq-z]}(subtraction)</td></tr> * <tr><th>&nbsp;</th></tr> * * <tr align="left"><th colspan="2" id="predef">Predefined character classes</th></tr> * * <tr><td valign="top" headers="construct predef"><tt>.</tt></td>
*** 173,212 **** * <tr><td valign="top" headers="construct predef"><tt>\w</tt></td> * <td headers="matches">A word character: <tt>[a-zA-Z_0-9]</tt></td></tr> * <tr><td valign="top" headers="construct predef"><tt>\W</tt></td> * <td headers="matches">A non-word character: <tt>[^\w]</tt></td></tr> * <tr><th>&nbsp;</th></tr> ! * <tr align="left"><th colspan="2" id="posix">POSIX character classes</b> (US-ASCII only)<b></th></tr> * ! * <tr><td valign="top" headers="construct posix"><tt>\p{Lower}</tt></td> ! * <td headers="matches">A lower-case alphabetic character: <tt>[a-z]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Upper}</tt></td> ! * <td headers="matches">An upper-case alphabetic character:<tt>[A-Z]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{ASCII}</tt></td> ! * <td headers="matches">All ASCII:<tt>[\x00-\x7F]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Alpha}</tt></td> ! * <td headers="matches">An alphabetic character:<tt>[\p{Lower}\p{Upper}]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Digit}</tt></td> ! * <td headers="matches">A decimal digit: <tt>[0-9]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Alnum}</tt></td> ! * <td headers="matches">An alphanumeric character:<tt>[\p{Alpha}\p{Digit}]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Punct}</tt></td> ! * <td headers="matches">Punctuation: One of <tt>!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~</tt></td></tr> ! * <!-- <tt>[\!"#\$%&'\(\)\*\+,\-\./:;\<=\>\?@\[\\\]\^_`\{\|\}~]</tt> ! * <tt>[\X21-\X2F\X31-\X40\X5B-\X60\X7B-\X7E]</tt> --> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Graph}</tt></td> ! * <td headers="matches">A visible character: <tt>[\p{Alnum}\p{Punct}]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Print}</tt></td> ! * <td headers="matches">A printable character: <tt>[\p{Graph}\x20]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Blank}</tt></td> ! * <td headers="matches">A space or a tab: <tt>[ \t]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Cntrl}</tt></td> ! * <td headers="matches">A control character: <tt>[\x00-\x1F\x7F]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{XDigit}</tt></td> ! * <td headers="matches">A hexadecimal digit: <tt>[0-9a-fA-F]</tt></td></tr> ! * <tr><td valign="top" headers="construct posix"><tt>\p{Space}</tt></td> ! * <td headers="matches">A whitespace character: <tt>[ \t\n\x0B\f\r]</tt></td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2">java.lang.Character classes (simple <a href="#jcc">java character type</a>)</th></tr> * * <tr><td valign="top"><tt>\p{javaLowerCase}</tt></td> --- 172,211 ---- * <tr><td valign="top" headers="construct predef"><tt>\w</tt></td> * <td headers="matches">A word character: <tt>[a-zA-Z_0-9]</tt></td></tr> * <tr><td valign="top" headers="construct predef"><tt>\W</tt></td> * <td headers="matches">A non-word character: <tt>[^\w]</tt></td></tr> * <tr><th>&nbsp;</th></tr> ! * <tr align="left"><th colspan="2" id="posix"><b>POSIX character classes (US-ASCII only)</b></th></tr> * ! * <tr><td valign="top" headers="construct posix">{@code \p{Lower}}</td> ! * <td headers="matches">A lower-case alphabetic character: {@code [a-z]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Upper}}</td> ! * <td headers="matches">An upper-case alphabetic character:{@code [A-Z]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{ASCII}}</td> ! * <td headers="matches">All ASCII:{@code [\x00-\x7F]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Alpha}}</td> ! * <td headers="matches">An alphabetic character:{@code [\p{Lower}\p{Upper}]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Digit}}</td> ! * <td headers="matches">A decimal digit: {@code [0-9]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Alnum}}</td> ! * <td headers="matches">An alphanumeric character:{@code [\p{Alpha}\p{Digit}]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Punct}}</td> ! * <td headers="matches">Punctuation: One of {@code !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~}</td></tr> ! * <!-- {@code [\!"#\$%&'\(\)\*\+,\-\./:;\<=\>\?@\[\\\]\^_`\{\|\}~]} ! * {@code [\X21-\X2F\X31-\X40\X5B-\X60\X7B-\X7E]} --> ! * <tr><td valign="top" headers="construct posix">{@code \p{Graph}}</td> ! * <td headers="matches">A visible character: {@code [\p{Alnum}\p{Punct}]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Print}}</td> ! * <td headers="matches">A printable character: {@code [\p{Graph}\x20]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Blank}}</td> ! * <td headers="matches">A space or a tab: {@code [ \t]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Cntrl}}</td> ! * <td headers="matches">A control character: {@code [\x00-\x1F\x7F]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{XDigit}}</td> ! * <td headers="matches">A hexadecimal digit: {@code [0-9a-fA-F]}</td></tr> ! * <tr><td valign="top" headers="construct posix">{@code \p{Space}}</td> ! * <td headers="matches">A whitespace character: {@code [ \t\n\x0B\f\r]}</td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2">java.lang.Character classes (simple <a href="#jcc">java character type</a>)</th></tr> * * <tr><td valign="top"><tt>\p{javaLowerCase}</tt></td>
*** 218,240 **** * <tr><td valign="top"><tt>\p{javaMirrored}</tt></td> * <td>Equivalent to java.lang.Character.isMirrored()</td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="unicode">Classes for Unicode scripts, blocks, categories and binary properties</th></tr> ! * * <tr><td valign="top" headers="construct unicode"><tt>\p{IsLatin}</tt></td> * <td headers="matches">A Latin&nbsp;script character (<a href="#usc">script</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>\p{InGreek}</tt></td> * <td headers="matches">A character in the Greek&nbsp;block (<a href="#ubc">block</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>\p{Lu}</tt></td> * <td headers="matches">An uppercase letter (<a href="#ucc">category</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>\p{IsAlphabetic}</tt></td> * <td headers="matches">An alphabetic character (<a href="#ubpc">binary property</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>\p{Sc}</tt></td> * <td headers="matches">A currency symbol</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>\P{InGreek}</tt></td> * <td headers="matches">Any character except one in the Greek block (negation)</td></tr> ! * <tr><td valign="top" headers="construct unicode"><tt>[\p{L}&&[^\p{Lu}]]&nbsp;</tt></td> * <td headers="matches">Any letter except an uppercase letter (subtraction)</td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="bounds">Boundary matchers</th></tr> * --- 217,239 ---- * <tr><td valign="top"><tt>\p{javaMirrored}</tt></td> * <td>Equivalent to java.lang.Character.isMirrored()</td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="unicode">Classes for Unicode scripts, blocks, categories and binary properties</th></tr> ! * * <tr><td valign="top" headers="construct unicode">{@code \p{IsLatin}}</td> * <td headers="matches">A Latin&nbsp;script character (<a href="#usc">script</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code \p{InGreek}}</td> * <td headers="matches">A character in the Greek&nbsp;block (<a href="#ubc">block</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code \p{Lu}}</td> * <td headers="matches">An uppercase letter (<a href="#ucc">category</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code \p{IsAlphabetic}}</td> * <td headers="matches">An alphabetic character (<a href="#ubpc">binary property</a>)</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code \p{Sc}}</td> * <td headers="matches">A currency symbol</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code \P{InGreek}}</td> * <td headers="matches">Any character except one in the Greek block (negation)</td></tr> ! * <tr><td valign="top" headers="construct unicode">{@code [\p{L}&&[^\p{Lu}]]}</td> * <td headers="matches">Any letter except an uppercase letter (subtraction)</td></tr> * * <tr><th>&nbsp;</th></tr> * <tr align="left"><th colspan="2" id="bounds">Boundary matchers</th></tr> *
*** 374,385 **** * </table> * * <hr> * * ! * <a name="bs"> ! * <h4> Backslashes, escapes, and quoting </h4> * * <p> The backslash character (<tt>'\'</tt>) serves to introduce escaped * constructs, as defined in the table above, as well as to quote characters * that otherwise would be interpreted as unescaped constructs. Thus the * expression <tt>\\</tt> matches a single backslash and <tt>\{</tt> matches a --- 373,383 ---- * </table> * * <hr> * * ! * <h3><a name="bs">Backslashes, escapes, and quoting</a></h3> * * <p> The backslash character (<tt>'\'</tt>) serves to introduce escaped * constructs, as defined in the table above, as well as to quote characters * that otherwise would be interpreted as unescaped constructs. Thus the * expression <tt>\\</tt> matches a single backslash and <tt>\{</tt> matches a
*** 403,414 **** * word boundary. The string literal <tt>"&#92;(hello&#92;)"</tt> is illegal * and leads to a compile-time error; in order to match the string * <tt>(hello)</tt> the string literal <tt>"&#92;&#92;(hello&#92;&#92;)"</tt> * must be used. * ! * <a name="cc"> ! * <h4> Character Classes </h4> * * <p> Character classes may appear within other character classes, and * may be composed by the union operator (implicit) and the intersection * operator (<tt>&amp;&amp;</tt>). * The union operator denotes a class that contains every character that is --- 401,411 ---- * word boundary. The string literal <tt>"&#92;(hello&#92;)"</tt> is illegal * and leads to a compile-time error; in order to match the string * <tt>(hello)</tt> the string literal <tt>"&#92;&#92;(hello&#92;&#92;)"</tt> * must be used. * ! * <h3><a name="cc">Character Classes</a></h3> * * <p> Character classes may appear within other character classes, and * may be composed by the union operator (implicit) and the intersection * operator (<tt>&amp;&amp;</tt>). * The union operator denotes a class that contains every character that is
*** 433,453 **** * <tr><th>4&nbsp;&nbsp;&nbsp;&nbsp;</th> * <td>Union</td> * <td><tt>[a-e][i-u]</tt></td></tr> * <tr><th>5&nbsp;&nbsp;&nbsp;&nbsp;</th> * <td>Intersection</td> ! * <td><tt>[a-z&&[aeiou]]</tt></td></tr> * </table></blockquote> * * <p> Note that a different set of metacharacters are in effect inside * a character class than outside a character class. For instance, the * regular expression <tt>.</tt> loses its special meaning inside a * character class, while the expression <tt>-</tt> becomes a range * forming metacharacter. * ! * <a name="lt"> ! * <h4> Line terminators </h4> * * <p> A <i>line terminator</i> is a one- or two-character sequence that marks * the end of a line of the input character sequence. The following are * recognized as line terminators: * --- 430,449 ---- * <tr><th>4&nbsp;&nbsp;&nbsp;&nbsp;</th> * <td>Union</td> * <td><tt>[a-e][i-u]</tt></td></tr> * <tr><th>5&nbsp;&nbsp;&nbsp;&nbsp;</th> * <td>Intersection</td> ! * <td>{@code [a-z&&[aeiou]]}</td></tr> * </table></blockquote> * * <p> Note that a different set of metacharacters are in effect inside * a character class than outside a character class. For instance, the * regular expression <tt>.</tt> loses its special meaning inside a * character class, while the expression <tt>-</tt> becomes a range * forming metacharacter. * ! * <h3><a name="lt">Line terminators</a></h3> * * <p> A <i>line terminator</i> is a one- or two-character sequence that marks * the end of a line of the input character sequence. The following are * recognized as line terminators: *
*** 478,492 **** * of the entire input sequence. If {@link #MULTILINE} mode is activated then * <tt>^</tt> matches at the beginning of input and after any line terminator * except at the end of input. When in {@link #MULTILINE} mode <tt>$</tt> * matches just before a line terminator or the end of the input sequence. * ! * <a name="cg"> ! * <h4> Groups and capturing </h4> * ! * <a name="gnumber"> ! * <h5> Group number </h5> * <p> Capturing groups are numbered by counting their opening parentheses from * left to right. In the expression <tt>((A)(B(C)))</tt>, for example, there * are four such groups: </p> * * <blockquote><table cellpadding=1 cellspacing=0 summary="Capturing group numberings"> --- 474,486 ---- * of the entire input sequence. If {@link #MULTILINE} mode is activated then * <tt>^</tt> matches at the beginning of input and after any line terminator * except at the end of input. When in {@link #MULTILINE} mode <tt>$</tt> * matches just before a line terminator or the end of the input sequence. * ! * <h3><a name="cg">Groups and capturing</a></h3> * ! * <h4><a name="gnumber">Group number</a></h4> * <p> Capturing groups are numbered by counting their opening parentheses from * left to right. In the expression <tt>((A)(B(C)))</tt>, for example, there * are four such groups: </p> * * <blockquote><table cellpadding=1 cellspacing=0 summary="Capturing group numberings">
*** 505,516 **** * <p> Capturing groups are so named because, during a match, each subsequence * of the input sequence that matches such a group is saved. The captured * subsequence may be used later in the expression, via a back reference, and * may also be retrieved from the matcher once the match operation is complete. * ! * <a name="groupname"> ! * <h5> Group name </h5> * <p>A capturing group can also be assigned a "name", a <tt>named-capturing group</tt>, * and then be back-referenced later by the "name". Group names are composed of * the following characters. The first character must be a <tt>letter</tt>. * * <ul> --- 499,509 ---- * <p> Capturing groups are so named because, during a match, each subsequence * of the input sequence that matches such a group is saved. The captured * subsequence may be used later in the expression, via a back reference, and * may also be retrieved from the matcher once the match operation is complete. * ! * <h4><a name="groupname">Group name</a></h4> * <p>A capturing group can also be assigned a "name", a <tt>named-capturing group</tt>, * and then be back-referenced later by the "name". Group names are composed of * the following characters. The first character must be a <tt>letter</tt>. * * <ul>
*** 535,545 **** * * <p> Groups beginning with <tt>(?</tt> are either pure, <i>non-capturing</i> groups * that do not capture text and do not count towards the group total, or * <i>named-capturing</i> group. * ! * <h4> Unicode support </h4> * * <p> This class is in conformance with Level 1 of <a * href="http://www.unicode.org/reports/tr18/"><i>Unicode Technical * Standard #18: Unicode Regular Expression</i></a>, plus RL2.1 * Canonical Equivalents. --- 528,538 ---- * * <p> Groups beginning with <tt>(?</tt> are either pure, <i>non-capturing</i> groups * that do not capture text and do not count towards the group total, or * <i>named-capturing</i> group. * ! * <h3> Unicode support </h3> * * <p> This class is in conformance with Level 1 of <a * href="http://www.unicode.org/reports/tr18/"><i>Unicode Technical * Standard #18: Unicode Regular Expression</i></a>, plus RL2.1 * Canonical Equivalents.
*** 566,596 **** * the input has the property <i>prop</i>, while <tt>\P{</tt><i>prop</i><tt>}</tt> * does not match if the input has that property. * <p> * Scripts, blocks, categories and binary properties can be used both inside * and outside of a character class. ! * <a name="usc"> * <p> ! * <b>Scripts</b> are specified either with the prefix {@code Is}, as in * {@code IsHiragana}, or by using the {@code script} keyword (or its short * form {@code sc})as in {@code script=Hiragana} or {@code sc=Hiragana}. * <p> * The script names supported by <code>Pattern</code> are the valid script names * accepted and defined by * {@link java.lang.Character.UnicodeScript#forName(String) UnicodeScript.forName}. ! * <a name="ubc"> * <p> ! * <b>Blocks</b> are specified with the prefix {@code In}, as in * {@code InMongolian}, or by using the keyword {@code block} (or its short * form {@code blk}) as in {@code block=Mongolian} or {@code blk=Mongolian}. * <p> * The block names supported by <code>Pattern</code> are the valid block names * accepted and defined by * {@link java.lang.Character.UnicodeBlock#forName(String) UnicodeBlock.forName}. * <p> ! * <a name="ucc"> ! * <b>Categories</b> may be specified with the optional prefix {@code Is}: * Both {@code \p{L}} and {@code \p{IsL}} denote the category of Unicode * letters. Same as scripts and blocks, categories can also be specified * by using the keyword {@code general_category} (or its short form * {@code gc}) as in {@code general_category=Lu} or {@code gc=Lu}. * <p> --- 559,589 ---- * the input has the property <i>prop</i>, while <tt>\P{</tt><i>prop</i><tt>}</tt> * does not match if the input has that property. * <p> * Scripts, blocks, categories and binary properties can be used both inside * and outside of a character class. ! * * <p> ! * <b><a name="usc">Scripts</a></b> are specified either with the prefix {@code Is}, as in * {@code IsHiragana}, or by using the {@code script} keyword (or its short * form {@code sc})as in {@code script=Hiragana} or {@code sc=Hiragana}. * <p> * The script names supported by <code>Pattern</code> are the valid script names * accepted and defined by * {@link java.lang.Character.UnicodeScript#forName(String) UnicodeScript.forName}. ! * * <p> ! * <b><a name="ubc">Blocks</a></b> are specified with the prefix {@code In}, as in * {@code InMongolian}, or by using the keyword {@code block} (or its short * form {@code blk}) as in {@code block=Mongolian} or {@code blk=Mongolian}. * <p> * The block names supported by <code>Pattern</code> are the valid block names * accepted and defined by * {@link java.lang.Character.UnicodeBlock#forName(String) UnicodeBlock.forName}. * <p> ! * ! * <b><a name="ucc">Categories</a></b> may be specified with the optional prefix {@code Is}: * Both {@code \p{L}} and {@code \p{IsL}} denote the category of Unicode * letters. Same as scripts and blocks, categories can also be specified * by using the keyword {@code general_category} (or its short form * {@code gc}) as in {@code general_category=Lu} or {@code gc=Lu}. * <p>
*** 598,609 **** * <a href="http://www.unicode.org/unicode/standard/standard.html"> * <i>The Unicode Standard</i></a> in the version specified by the * {@link java.lang.Character Character} class. The category names are those * defined in the Standard, both normative and informative. * <p> ! * <a name="ubpc"> ! * <b>Binary properties</b> are specified with the prefix {@code Is}, as in * {@code IsAlphabetic}. The supported binary properties by <code>Pattern</code> * are * <ul> * <li> Alphabetic * <li> Ideographic --- 591,602 ---- * <a href="http://www.unicode.org/unicode/standard/standard.html"> * <i>The Unicode Standard</i></a> in the version specified by the * {@link java.lang.Character Character} class. The category names are those * defined in the Standard, both normative and informative. * <p> ! * ! * <b><a name="ubpc">Binary properties</a></b> are specified with the prefix {@code Is}, as in * {@code IsAlphabetic}. The supported binary properties by <code>Pattern</code> * are * <ul> * <li> Alphabetic * <li> Ideographic
*** 627,638 **** * </i></a>, when {@link #UNICODE_CHARACTER_CLASS} flag is specified. * <p> * <table border="0" cellpadding="1" cellspacing="0" * summary="predefined and posix character classes in Unicode mode"> * <tr align="left"> ! * <th bgcolor="#CCCCFF" align="left" id="classes">Classes</th> ! * <th bgcolor="#CCCCFF" align="left" id="matches">Matches</th> *</tr> * <tr><td><tt>\p{Lower}</tt></td> * <td>A lowercase character:<tt>\p{IsLowercase}</tt></td></tr> * <tr><td><tt>\p{Upper}</tt></td> * <td>An uppercase character:<tt>\p{IsUppercase}</tt></td></tr> --- 620,631 ---- * </i></a>, when {@link #UNICODE_CHARACTER_CLASS} flag is specified. * <p> * <table border="0" cellpadding="1" cellspacing="0" * summary="predefined and posix character classes in Unicode mode"> * <tr align="left"> ! * <th align="left" id="predef_classes">Classes</th> ! * <th align="left" id="predef_matches">Matches</th> *</tr> * <tr><td><tt>\p{Lower}</tt></td> * <td>A lowercase character:<tt>\p{IsLowercase}</tt></td></tr> * <tr><td><tt>\p{Upper}</tt></td> * <td>An uppercase character:<tt>\p{IsUppercase}</tt></td></tr>
*** 647,659 **** * <tr><td><tt>\p{Punct}</tt></td> * <td>A punctuation character:<tt>p{IsPunctuation}</tt></td></tr> * <tr><td><tt>\p{Graph}</tt></td> * <td>A visible character: <tt>[^\p{IsWhite_Space}\p{gc=Cc}\p{gc=Cs}\p{gc=Cn}]</tt></td></tr> * <tr><td><tt>\p{Print}</tt></td> ! * <td>A printable character: <tt>[\p{Graph}\p{Blank}&&[^\p{Cntrl}]]</tt></td></tr> * <tr><td><tt>\p{Blank}</tt></td> ! * <td>A space or a tab: <tt>[\p{IsWhite_Space}&&[^\p{gc=Zl}\p{gc=Zp}\x0a\x0b\x0c\x0d\x85]]</tt></td></tr> * <tr><td><tt>\p{Cntrl}</tt></td> * <td>A control character: <tt>\p{gc=Cc}</tt></td></tr> * <tr><td><tt>\p{XDigit}</tt></td> * <td>A hexadecimal digit: <tt>[\p{gc=Nd}\p{IsHex_Digit}]</tt></td></tr> * <tr><td><tt>\p{Space}</tt></td> --- 640,652 ---- * <tr><td><tt>\p{Punct}</tt></td> * <td>A punctuation character:<tt>p{IsPunctuation}</tt></td></tr> * <tr><td><tt>\p{Graph}</tt></td> * <td>A visible character: <tt>[^\p{IsWhite_Space}\p{gc=Cc}\p{gc=Cs}\p{gc=Cn}]</tt></td></tr> * <tr><td><tt>\p{Print}</tt></td> ! * <td>A printable character: {@code [\p{Graph}\p{Blank}&&[^\p{Cntrl}]]}</td></tr> * <tr><td><tt>\p{Blank}</tt></td> ! * <td>A space or a tab: {@code [\p{IsWhite_Space}&&[^\p{gc=Zl}\p{gc=Zp}\x0a\x0b\x0c\x0d\x85]]}</td></tr> * <tr><td><tt>\p{Cntrl}</tt></td> * <td>A control character: <tt>\p{gc=Cc}</tt></td></tr> * <tr><td><tt>\p{XDigit}</tt></td> * <td>A hexadecimal digit: <tt>[\p{gc=Nd}\p{IsHex_Digit}]</tt></td></tr> * <tr><td><tt>\p{Space}</tt></td>
*** 674,686 **** * <p> * <a name="jcc"> * Categories that behave like the java.lang.Character * boolean is<i>methodname</i> methods (except for the deprecated ones) are * available through the same <tt>\p{</tt><i>prop</i><tt>}</tt> syntax where ! * the specified property has the name <tt>java<i>methodname</i></tt>. * ! * <h4> Comparison to Perl 5 </h4> * * <p>The <code>Pattern</code> engine performs traditional NFA-based matching * with ordered alternation as occurs in Perl 5. * * <p> Perl constructs not supported by this class: </p> --- 667,679 ---- * <p> * <a name="jcc"> * Categories that behave like the java.lang.Character * boolean is<i>methodname</i> methods (except for the deprecated ones) are * available through the same <tt>\p{</tt><i>prop</i><tt>}</tt> syntax where ! * the specified property has the name <tt>java<i>methodname</i></tt></a>. * ! * <h3> Comparison to Perl 5 </h3> * * <p>The <code>Pattern</code> engine performs traditional NFA-based matching * with ordered alternation as occurs in Perl 5. * * <p> Perl constructs not supported by this class: </p>
*** 1021,1045 **** * (2) There is complement node of Category or Block */ private transient boolean hasSupplementary; /** ! * Compiles the given regular expression into a pattern. </p> * * @param regex * The expression to be compiled ! * * @throws PatternSyntaxException * If the expression's syntax is invalid */ public static Pattern compile(String regex) { return new Pattern(regex, 0); } /** * Compiles the given regular expression into a pattern with the given ! * flags. </p> * * @param regex * The expression to be compiled * * @param flags --- 1014,1038 ---- * (2) There is complement node of Category or Block */ private transient boolean hasSupplementary; /** ! * Compiles the given regular expression into a pattern. * * @param regex * The expression to be compiled ! * @return the given regular expression compiled into a pattern * @throws PatternSyntaxException * If the expression's syntax is invalid */ public static Pattern compile(String regex) { return new Pattern(regex, 0); } /** * Compiles the given regular expression into a pattern with the given ! * flags. * * @param regex * The expression to be compiled * * @param flags
*** 1047,1056 **** --- 1040,1050 ---- * {@link #CASE_INSENSITIVE}, {@link #MULTILINE}, {@link #DOTALL}, * {@link #UNICODE_CASE}, {@link #CANON_EQ}, {@link #UNIX_LINES}, * {@link #LITERAL}, {@link #UNICODE_CHARACTER_CLASS} * and {@link #COMMENTS} * + * @return the given regular expression compiled into a pattern with the given flags * @throws IllegalArgumentException * If bit values other than those corresponding to the defined * match flags are set in <tt>flags</tt> * * @throws PatternSyntaxException
*** 1060,1070 **** return new Pattern(regex, flags); } /** * Returns the regular expression from which this pattern was compiled. - * </p> * * @return The source of this pattern */ public String pattern() { return pattern; --- 1054,1063 ----
*** 1082,1092 **** return pattern; } /** * Creates a matcher that will match the given input against this pattern. - * </p> * * @param input * The character sequence to be matched * * @return A new matcher for this pattern --- 1075,1084 ----
*** 1101,1111 **** Matcher m = new Matcher(this, input); return m; } /** ! * Returns this pattern's match flags. </p> * * @return The match flags specified when this pattern was compiled */ public int flags() { return flags; --- 1093,1103 ---- Matcher m = new Matcher(this, input); return m; } /** ! * Returns this pattern's match flags. * * @return The match flags specified when this pattern was compiled */ public int flags() { return flags;
*** 1131,1141 **** * @param regex * The expression to be compiled * * @param input * The character sequence to be matched ! * * @throws PatternSyntaxException * If the expression's syntax is invalid */ public static boolean matches(String regex, CharSequence input) { Pattern p = Pattern.compile(regex); --- 1123,1133 ---- * @param regex * The expression to be compiled * * @param input * The character sequence to be matched ! * @return whether or not the regular expression matches on the input * @throws PatternSyntaxException * If the expression's syntax is invalid */ public static boolean matches(String regex, CharSequence input) { Pattern p = Pattern.compile(regex);
*** 1168,1180 **** * <p> The input <tt>"boo:and:foo"</tt>, for example, yields the following * results with these parameters: * * <blockquote><table cellpadding=1 cellspacing=0 * summary="Split examples showing regex, limit, and result"> ! * <tr><th><P align="left"><i>Regex&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th><P align="left"><i>Limit&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th><P align="left"><i>Result&nbsp;&nbsp;&nbsp;&nbsp;</i></th></tr> * <tr><td align=center>:</td> * <td align=center>2</td> * <td><tt>{ "boo", "and:foo" }</tt></td></tr> * <tr><td align=center>:</td> * <td align=center>5</td> --- 1160,1172 ---- * <p> The input <tt>"boo:and:foo"</tt>, for example, yields the following * results with these parameters: * * <blockquote><table cellpadding=1 cellspacing=0 * summary="Split examples showing regex, limit, and result"> ! * <tr><th align="left"><i>Regex&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th align="left"><i>Limit&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th align="left"><i>Result&nbsp;&nbsp;&nbsp;&nbsp;</i></th></tr> * <tr><td align=center>:</td> * <td align=center>2</td> * <td><tt>{ "boo", "and:foo" }</tt></td></tr> * <tr><td align=center>:</td> * <td align=center>5</td>
*** 1251,1262 **** * <p> The input <tt>"boo:and:foo"</tt>, for example, yields the following * results with these expressions: * * <blockquote><table cellpadding=1 cellspacing=0 * summary="Split examples showing regex and result"> ! * <tr><th><P align="left"><i>Regex&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th><P align="left"><i>Result</i></th></tr> * <tr><td align=center>:</td> * <td><tt>{ "boo", "and", "foo" }</tt></td></tr> * <tr><td align=center>o</td> * <td><tt>{ "b", "", ":and:f" }</tt></td></tr> * </table></blockquote> --- 1243,1254 ---- * <p> The input <tt>"boo:and:foo"</tt>, for example, yields the following * results with these expressions: * * <blockquote><table cellpadding=1 cellspacing=0 * summary="Split examples showing regex and result"> ! * <tr><th align="left"><i>Regex&nbsp;&nbsp;&nbsp;&nbsp;</i></th> ! * <th align="left"><i>Result</i></th></tr> * <tr><td align=center>:</td> * <td><tt>{ "boo", "and", "foo" }</tt></td></tr> * <tr><td align=center>o</td> * <td><tt>{ "b", "", ":and:f" }</tt></td></tr> * </table></blockquote>