URL Slug Regex Pattern

Example:

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

Matches:
✓ my-blog-post
✓ article-123
✗ My_Blog (uppercase/underscore)

Validate URL-friendly slugs: ^[a-z0-9]+(?:-[a-z0-9]+)*$

Try Regex Lab →

FAQs

Why no underscores?

SEO best practice prefers hyphens over underscores in URLs.