@mention regex pattern

Copy and test a JavaScript regex for @mentions, with examples and a one-click link to the regex tester.

@mention regex pattern

Validate whole value

Use anchors to check whether the complete value matches.

Regex: ^@[A-Za-z0-9_]{1,30}$

Flags: -

Search in text

Find matching fragments inside a larger block of text.

Regex: @[A-Za-z0-9_]{1,30}

Flags: g

Examples that match

@alice_dev
@team42

Examples that do not match

alice_dev
@two words

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