Package java.util.regex

 The result of a match operation. This interface contains query methods used to determine the results of a match against a regular expression. The… API Doc
 Unchecked exception thrown to indicate a syntax error in a regular-expression pattern. API Doc
 An engine that performs match operations on a java.lang.CharSequence character sequence by interpreting a Pattern. A matcher is created from a… API Doc
 A compiled representation of a regular expression. A regular expression, specified as a string, must first be compiled into an instance of this… API Doc

Related Packages:

java.util