A regular expression, or regex, is a sequence of characters that specifies a pattern which can be searched for in a text. A regex defines a set of strings, usually united for a given purpose.
About Our Java Regex Cheat Sheet
This cheat sheet contains the most useful classes, API, and syntax definitions for Java regex, including:
- Character classes
- Boundary matches
- Pattern Flags
- Patterns
- Matchers
- Quantifiers
- Groups and Backreferences
- Logical Operations
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