An instance of the {@link java.util.regex.Pattern} class represents a jtulach@1348: regular expression that is specified in string form in a syntax similar to jtulach@1348: that used by Perl. jtulach@1348: jtulach@1348:
Instances of the {@link java.util.regex.Matcher} class are used to match jtulach@1348: character sequences against a given pattern. Input is provided to matchers via jtulach@1348: the {@link java.lang.CharSequence} interface in order to support matching jtulach@1348: against characters from a wide variety of input sources.
jtulach@1348: jtulach@1348:Unless otherwise noted, passing a null argument to a method jtulach@1348: in any class or interface in this package will cause a jtulach@1348: {@link java.lang.NullPointerException NullPointerException} to be thrown. jtulach@1348: jtulach@1348:
An excellent tutorial and overview of regular expressions is Mastering Regular jtulach@1348: Expressions, Jeffrey E. F. Friedl, O'Reilly and Associates, 1997.
jtulach@1348: jtulach@1348: jtulach@1348: jtulach@1348: @since 1.4 jtulach@1348: @author Mike McCloskey jtulach@1348: @author Mark Reinhold jtulach@1348: jtulach@1348: jtulach@1348: