Java Regular Expressions

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External

Internal

Overview

Regular expressions can be used in Java via the String API or java.util.regex API.

java.util.regex API

The general pattern for using regular expressions is the following:

Working code is available here:

https://github.com/NovaOrdis/playground/tree/master/java/regex/simplest


java.langString API

String s = "...";
s.matches(...);

Concurrent Usage Considerations


Matcher instances are NOT thread safe, create a matcher per thread