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java.util.regex (Java Platform SE 7 )

  • ️Wed Jun 24 2020
  • 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 a Pattern.
    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

Classes for matching character sequences against patterns specified by regular expressions.

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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