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Regex Tester
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g
i
m
Matches will be highlighted here in real time...
How to use the Regex Tester
Type your regular expression (regex) pattern into the top box. You can toggle common modifier flags like Global (g), Case-Insensitive (i), and Multiline (m) by clicking the buttons on the right. As you type your test string in the text area below, any matching patterns will instantly highlight in the results box. It works completely in your browser without requiring any page reloads or server delays.