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Test your regular expressions in real time. The regex is evaluated with the global flag (g) by default, and all matches are highlighted in the entered text.
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Test your regular expressions in real time. The regex is evaluated with the global flag (g) by default, and all matches are highlighted in the entered text.
Useful examples
\d+
All numbers
[A-Z]+
Uppercase words
^\s*$
Empty lines
(?<=\$)\d+
Number after $ sign
Available flags: g (global), i (case-insensitive), m (multiline), s (dotall). By default, g is active. Lookaheads and lookbehinds work (partial PCRE support).