Regex Tester pattern
Test JavaScript regular expressions against sample text.
INPUTtest text
1
MATCHESresults
Tool Guide
What this tool does
Enter a pattern and flags to inspect matches in real time.
When to use it
Regex Tester is useful during String work when you need to quickly convert, inspect, format, or generate small pieces of developer data. It is intended for API responses, configuration snippets, logs, test inputs, and browser-side checks.
Input and output example
Input example: Pattern: \b\w+@\w+\.com\b
Output example: Highlighted matches and match count
Notes and limitations
Use the result as a development aid and verify it before applying it to production systems. Check encoding, timezone, security, and format requirements when the output will be used in an application. Related concept: pattern.