Hashtag Regex Pattern

Example:

#[a-zA-Z0-9_]+

Matches:
✓ #JavaScript
✓ #web_dev
✗ #hello-world (no hyphens)

Match hashtags: #[a-zA-Z0-9_]+

Try Regex Lab →

FAQs

Why no hyphens in hashtags?

Most platforms (Twitter, Instagram) do not allow hyphens in hashtags.