snake_case regex pattern
Copy and test a JavaScript regex for snake_case identifiers, with examples and a one-click link to the regex tester.
snake_case 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
user_nameversion_2
Examples that do not match
User_Nameuser-name
Tools in this category
- Base64 encoder / decoder
- Color contrast checker
- Color palette generator
- Configuration file converter
- Docker Compose analyzer
- Dockerfile analyzer
- Hash generator
- JSON Converter
- JSON formatter
- JWT encoder / decoder
- Number base converter
- Password generator
- Regex inspector
- Regex pattern library
- URL encoder / decoder
- UUID generator