Regex Tester
Test regular expressions in real time
//g
FAQ
What is Regex?
Regex (Regular Expression) is a sequence of characters that defines a search pattern in text.
What are flags?
Flags modify behavior: g (global), i (case-insensitive), m (multiline), s (dotAll).
How does the tester work?
Enter the regex pattern and text. The tester shows matches found in real time.
What are capture groups?
Capture groups (parentheses) allow you to extract specific parts of the match. Use $1, $2, etc. in replacement.