Find and Replace
Text & Code · Free Online Tool
Find and replace with regex and capture group support.
Capture groups
Find (\w+) (fox|dog) → Replace $1 animal ($2)
Use $1, $2… for capture groups, $& for the whole match.
Regex Powered
Use full regular expressions for flexible pattern matching and substitution.
Capture Groups
Reference captured groups with $1, $2 in the replacement to restructure matches.
Flags & Live Count
Toggle g/i/m flags and see the live match count as you refine your pattern.
How to Use Find and Replace
- 1Enter or paste your text or code into the input area.
- 2Choose the desired operation (format, convert, analyze, etc.).
- 3Click the action button to process.
- 4Copy the result from the output area.
Features
- ✓100% free — no signup, no subscription, no ads
- ✓Runs entirely in your browser — data never leaves your device
- ✓Fast and lightweight — instant results
- ✓Cross-platform — works on desktop, tablet, and mobile
Frequently Asked Questions
Can I format code in different styles?
Yes, the SQL Formatter and other code tools support multiple formatting options and indentation styles.
Is regex testing case-sensitive?
The Regex Tester supports case-sensitive and case-insensitive matching, along with global and multiline flags.
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Learn the concept
Learn the concept
Understand the programming ideas behind this tool.