java.util.regex package

The java.util.regex package consist of one interface and three classes.

Classes in regex package

Class	Description
Pattern	Pattern object is a compiled representation of a regular expression. This class provides methods to search for a regular expression in given string.
Matcher	A Matcher object is the engine that interprets the pattern and performs match operations against an input string.
PatternSyntaxException	It indicates a syntax error in a regular expression pattern.

Interfaces in regex package

Interface	Description
MatchResult	Interface contains query methods used to determine the results of a match against a regular expression.

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