Test a JavaScript regular expression against supplied text. Your entered text stays in your browser.
Enter a JavaScript regex pattern without slash delimiters, optional flags and a short sample text.
Your result will appear here.
The result lists matching substrings or an expression error. Start with small inputs when exploring a new pattern. Start with a short sample; complex patterns can be slow and engine behaviour varies.
Enter a JavaScript regex pattern without slash delimiters, optional flags and a short sample text.
The result lists matching substrings or an expression error. Start with small inputs when exploring a new pattern.
Start with a short sample; complex patterns can be slow and engine behaviour varies.
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