Package java.util.regex
See: Description
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Interface Summary Interface Description MatchResult The result of a match operation. -
Class Summary Class Description Matcher An engine that performs match operations on a character sequence by interpreting aPattern.Pattern A compiled representation of a regular expression. -
Exception Summary Exception Description PatternSyntaxException Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.
Package java.util.regex Description
An instance of the Pattern class 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 CharSequence 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 thrown.
Related Documentation
An excellent tutorial and overview of regular expressions is Mastering Regular Expressions, Jeffrey E. F. Friedl, O'Reilly and Associates, 1997.
- Since:
- 1.4
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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