JavaScript Regular Expression (Regex) Tester
Free online regex tester and match finder. Debug pattern flags (g, i, m, s), capture groups, and regex substitutions in real-time.
Tool Configuration Options
How JavaScript Regular Expression (Regex) Tester Works
Free online regex tester and match finder. Debug pattern flags (g, i, m, s), capture groups, and regex substitutions in real-time. OmniDeck processes this tool using 🔒 Processed locally — regular expression matching runs inside your browser JavaScript engine..
Frequently Asked Questions
What do the "g" and "i" flags mean?
"g" stands for global match (find all occurrences), and "i" stands for case-insensitive matching.
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