Regex Tester

Test your regular expressions in real time. See highlighted matches and get started quickly with examples.

Regex Pattern

Flags

gim

Test Text

Quick Examples

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What is Regex (Regular Expression)?

Regular expressions (regex) are a syntax used to search for, match, and replace specific patterns in text. They are supported by the vast majority of programming languages.

Common Regex Flags

g (global): Finds all matches.
i (case-insensitive): Performs case-insensitive matching.
m (multiline): Makes ^ and $ apply to each line in multiline text.

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