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  Tutorial: Pattern and Matcher

java.util.regex.Pattern precompiles regular expressions so they can be executed more efficiently. It also has a few utility functions.

Tutorial Details:

In addition to the regular expression methods that are available in the String class (see String Regular Expressions), there are two classes that are specifically user for regular expression matching.

java.util.regex.Pattern precompiles regular expressions so they can be executed more efficiently. It also has a few utility functions. This same pattern can be reused by many Matcher objects.

Common methods
The following variables represent elements of their declared type in the prototypes below.

import java.util.regex.*;


 

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