Slug regex pattern

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

Slug regex pattern

Validate whole value

Use anchors to check whether the complete value matches.

Regex: ^[a-z0-9]+(?:-[a-z0-9]+)*$

Flags: -

Search in text

Find matching fragments inside a larger block of text.

Regex: \b[a-z0-9]+(?:-[a-z0-9]+)+\b

Flags: g

Examples that match

  • release-notes
  • hello-world-2

Examples that do not match

  • Release-Notes
  • hello_world