An instance of the
represents a regular expression that is specified in string form in
a syntax similar to that used by Perl.
Instances of the
Matcher class are used
to match character sequences against a given pattern. Input is
provided to matchers via the
interface in order to support matching against characters from a
wide variety of input sources.
Unless otherwise noted, passing a
null argument to a
method in any class or interface in this package will cause a
NullPointerException to be
An excellent tutorial and overview of regular expressions is Mastering Regular Expressions, Jeffrey E. F. Friedl, O'Reilly and Associates, 1997.
ClassDescriptionThe result of a match operation.A compiled representation of a regular expression.Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.