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.
PackageDescriptionContains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
InterfaceDescriptionThe result of a match operation.
ExceptionDescriptionUnchecked exception thrown to indicate a syntax error in a regular-expression pattern.