Regex to Code Generator
Generate JavaScript code for a regex and sample text without executing it.
Processing stays in your browser. Outputs JavaScript using JSON-escaped string literals. Review expensive patterns before executing them on large or untrusted input.
How to use the regex to code generator
Generate JavaScript code for a regex and sample text without executing it. Complete the regular expression pattern, javascript flags, sample text fields above. Choose Run tool, review the output, then copy or download the result.
Example
Pattern \d+ with g flags creates code that finds digit sequences.
Good to know
Outputs JavaScript using JSON-escaped string literals. Review expensive patterns before executing them on large or untrusted input.