< prev index next >
src/java.base/share/classes/java/util/regex/Pattern.java
Print this page
*** 77,93 ****
* such use.
*
*
* <h3><a id="sum">Summary of regular-expression constructs</a></h3>
*
! * <table border="0" cellpadding="1" cellspacing="0"
! * summary="Regular expression constructs, and what they match">
! *
* <tr style="text-align:left">
* <th style="text-align:left" id="construct">Construct</th>
* <th style="text-align:left" id="matches">Matches</th>
* </tr>
*
* <tr><th> </th></tr>
* <tr style="text-align:left"><th colspan="2" id="characters">Characters</th></tr>
*
* <tr><td style="vertical-align:top" headers="construct characters"><i>x</i></td>
--- 77,95 ----
* such use.
*
*
* <h3><a id="sum">Summary of regular-expression constructs</a></h3>
*
! * <table class="borderless">
! * <caption style="display:none">Regular expression constructs, and what they match</caption>
! * <thead>
* <tr style="text-align:left">
* <th style="text-align:left" id="construct">Construct</th>
* <th style="text-align:left" id="matches">Matches</th>
* </tr>
+ * </thead>
+ * <tbody>
*
* <tr><th> </th></tr>
* <tr style="text-align:left"><th colspan="2" id="characters">Characters</th></tr>
*
* <tr><td style="vertical-align:top" headers="construct characters"><i>x</i></td>
*** 381,390 ****
--- 383,393 ----
* <tr><td style="vertical-align:top" headers="construct special">{@code (?<!}<i>X</i>{@code )}</td>
* <td headers="matches"><i>X</i>, via zero-width negative lookbehind</td></tr>
* <tr><td style="vertical-align:top" headers="construct special">{@code (?>}<i>X</i>{@code )}</td>
* <td headers="matches"><i>X</i>, as an independent, non-capturing group</td></tr>
*
+ * </tbody>
* </table>
*
* <hr>
*
*
*** 427,438 ****
* operand classes.
*
* <p> The precedence of character-class operators is as follows, from
* highest to lowest:
*
! * <blockquote><table border="0" cellpadding="1" cellspacing="0"
! * summary="Precedence of character class operators.">
* <tr><th>1 </th>
* <td>Literal escape </td>
* <td>{@code \x}</td></tr>
* <tr><th>2 </th>
* <td>Grouping</td>
--- 430,442 ----
* operand classes.
*
* <p> The precedence of character-class operators is as follows, from
* highest to lowest:
*
! * <blockquote><table>
! * <caption style="display:none">Precedence of character class operators.</caption>
! * <tbody>
* <tr><th>1 </th>
* <td>Literal escape </td>
* <td>{@code \x}</td></tr>
* <tr><th>2 </th>
* <td>Grouping</td>
*** 444,453 ****
--- 448,458 ----
* <td>Union</td>
* <td>{@code [a-e][i-u]}</td></tr>
* <tr><th>5 </th>
* <td>Intersection</td>
* <td>{@code [a-z&&[aeiou]]}</td></tr>
+ * </tbody>
* </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 {@code .} loses its special meaning inside a
*** 494,512 ****
* <h4><a id="gnumber">Group number</a></h4>
* <p> Capturing groups are numbered by counting their opening parentheses from
* left to right. In the expression {@code ((A)(B(C)))}, for example, there
* are four such groups: </p>
*
! * <blockquote><table cellpadding=1 cellspacing=0 summary="Capturing group numberings">
* <tr><th>1 </th>
* <td>{@code ((A)(B(C)))}</td></tr>
* <tr><th>2 </th>
* <td>{@code (A)}</td></tr>
* <tr><th>3 </th>
* <td>{@code (B(C))}</td></tr>
* <tr><th>4 </th>
* <td>{@code (C)}</td></tr>
* </table></blockquote>
*
* <p> Group zero always stands for the entire expression.
*
* <p> Capturing groups are so named because, during a match, each subsequence
--- 499,520 ----
* <h4><a id="gnumber">Group number</a></h4>
* <p> Capturing groups are numbered by counting their opening parentheses from
* left to right. In the expression {@code ((A)(B(C)))}, for example, there
* are four such groups: </p>
*
! * <blockquote><table>
! * <caption style="display:none">Capturing group numberings</caption>
! * <tbody>
* <tr><th>1 </th>
* <td>{@code ((A)(B(C)))}</td></tr>
* <tr><th>2 </th>
* <td>{@code (A)}</td></tr>
* <tr><th>3 </th>
* <td>{@code (B(C))}</td></tr>
* <tr><th>4 </th>
* <td>{@code (C)}</td></tr>
+ * </tbody>
* </table></blockquote>
*
* <p> Group zero always stands for the entire expression.
*
* <p> Capturing groups are so named because, during a match, each subsequence
*** 639,654 ****
* The following <b>Predefined Character classes</b> and <b>POSIX character classes</b>
* are in conformance with the recommendation of <i>Annex C: Compatibility Properties</i>
* of <a href="http://www.unicode.org/reports/tr18/"><i>Unicode Regular Expression
* </i></a>, when {@link #UNICODE_CHARACTER_CLASS} flag is specified.
*
! * <table border="0" cellpadding="1" cellspacing="0"
! * summary="predefined and posix character classes in Unicode mode">
* <tr style="text-align:left">
* <th style="text-align:left" id="predef_classes">Classes</th>
* <th style="text-align:left" id="predef_matches">Matches</th>
! *</tr>
* <tr><td>{@code \p{Lower}}</td>
* <td>A lowercase character:{@code \p{IsLowercase}}</td></tr>
* <tr><td>{@code \p{Upper}}</td>
* <td>An uppercase character:{@code \p{IsUppercase}}</td></tr>
* <tr><td>{@code \p{ASCII}}</td>
--- 647,665 ----
* The following <b>Predefined Character classes</b> and <b>POSIX character classes</b>
* are in conformance with the recommendation of <i>Annex C: Compatibility Properties</i>
* of <a href="http://www.unicode.org/reports/tr18/"><i>Unicode Regular Expression
* </i></a>, when {@link #UNICODE_CHARACTER_CLASS} flag is specified.
*
! * <table>
! * <caption style="display:none">predefined and posix character classes in Unicode mode</caption>
! * <thead>
* <tr style="text-align:left">
* <th style="text-align:left" id="predef_classes">Classes</th>
* <th style="text-align:left" id="predef_matches">Matches</th>
! * </tr>
! * </thead>
! * <tbody>
* <tr><td>{@code \p{Lower}}</td>
* <td>A lowercase character:{@code \p{IsLowercase}}</td></tr>
* <tr><td>{@code \p{Upper}}</td>
* <td>An uppercase character:{@code \p{IsUppercase}}</td></tr>
* <tr><td>{@code \p{ASCII}}</td>
*** 683,692 ****
--- 694,704 ----
* <td>A non-whitespace character: {@code [^\s]}</td></tr>
* <tr><td>{@code \w}</td>
* <td>A word character: {@code [\p{Alpha}\p{gc=Mn}\p{gc=Me}\p{gc=Mc}\p{Digit}\p{gc=Pc}\p{IsJoin_Control}]}</td></tr>
* <tr><td>{@code \W}</td>
* <td>A non-word character: {@code [^\w]}</td></tr>
+ * </tbody>
* </table>
* <p>
* <a id="jcc">
* Categories that behave like the java.lang.Character
* boolean is<i>methodname</i> methods (except for the deprecated ones) are
*** 1205,1219 ****
* have any length, and trailing empty strings will be discarded.
*
* <p> The input {@code "boo:and:foo"}, 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 style="text-align:left"><i>Regex </i></th>
* <th style="text-align:left"><i>Limit </i></th>
* <th style="text-align:left"><i>Result </i></th></tr>
* <tr><td style="text-align:center">:</td>
* <td style="text-align:center">2</td>
* <td>{@code { "boo", "and:foo" }}</td></tr>
* <tr><td style="text-align:center">:</td>
* <td style="text-align:center">5</td>
--- 1217,1234 ----
* have any length, and trailing empty strings will be discarded.
*
* <p> The input {@code "boo:and:foo"}, for example, yields the following
* results with these parameters:
*
! * <blockquote><table>
! * <caption>Split examples showing regex, limit, and result</caption>
! * <thead>
* <tr><th style="text-align:left"><i>Regex </i></th>
* <th style="text-align:left"><i>Limit </i></th>
* <th style="text-align:left"><i>Result </i></th></tr>
+ * </thead>
+ * <tbody>
* <tr><td style="text-align:center">:</td>
* <td style="text-align:center">2</td>
* <td>{@code { "boo", "and:foo" }}</td></tr>
* <tr><td style="text-align:center">:</td>
* <td style="text-align:center">5</td>
*** 1228,1237 ****
--- 1243,1253 ----
* <td style="text-align:center">-2</td>
* <td>{@code { "b", "", ":and:f", "", "" }}</td></tr>
* <tr><td style="text-align:center">o</td>
* <td style="text-align:center">0</td>
* <td>{@code { "b", "", ":and:f" }}</td></tr>
+ * </tbody>
* </table></blockquote>
*
* @param input
* The character sequence to be split
*
*** 1292,1309 ****
* therefore not included in the resulting array. </p>
*
* <p> The input {@code "boo:and:foo"}, for example, yields the following
* results with these expressions:
*
! * <blockquote><table cellpadding=1 cellspacing=0
! * summary="Split examples showing regex and result">
* <tr><th style="text-align:left"><i>Regex </i></th>
* <th style="text-align:left"><i>Result</i></th></tr>
* <tr><td style="text-align:center">:</td>
* <td>{@code { "boo", "and", "foo" }}</td></tr>
* <tr><td style="text-align:center">o</td>
* <td>{@code { "b", "", ":and:f" }}</td></tr>
* </table></blockquote>
*
*
* @param input
* The character sequence to be split
--- 1308,1329 ----
* therefore not included in the resulting array. </p>
*
* <p> The input {@code "boo:and:foo"}, for example, yields the following
* results with these expressions:
*
! * <blockquote><table>
! * <caption style="display:none">Split examples showing regex and result</caption>
! * <thead>
* <tr><th style="text-align:left"><i>Regex </i></th>
* <th style="text-align:left"><i>Result</i></th></tr>
+ * </thead>
+ * <tbody>
* <tr><td style="text-align:center">:</td>
* <td>{@code { "boo", "and", "foo" }}</td></tr>
* <tr><td style="text-align:center">o</td>
* <td>{@code { "b", "", ":and:f" }}</td></tr>
+ * </tbody>
* </table></blockquote>
*
*
* @param input
* The character sequence to be split
< prev index next >