Interactive Regex Replace & Substitution Simulator
Test complex regex search and replace expressions before deploying into backend code. Supports $1, $2 backreferences and $& whole match syntax.
Key Technical Capabilities
- Live SubstitutionOutputs transformed string in real time as you edit replacement templates.
- Backreference SupportHandles $1, $<name>, and $` replacement tokens.
How to Test Regex Replacement
- Enter Pattern & ReplacementType search pattern and replacement string.
- Inspect Replaced TextCopy the transformed output text.
Frequently Asked Questions
- Does it support global replace?
- Yes, enable the `g` flag for replace-all behavior.