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  3. RegEx Tester

RegEx Tester

Test your regular expressions against sample text and visualize the matches with various flags.

Enter your regular expression pattern.
The text where you want to find matches.
Flags:
Find all matches, not just the first.
Perform case-insensitive matching.
Treat start and end anchors (^ and $) as matching at the start/end of each line, not just the whole string.
Allows dot (.) to match newline characters.
Treat pattern as a sequence of Unicode code points.
Matches only from the index indicated by the `lastIndex` property of this regular expression in the target string.
Results:
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