Regular Expression Tester
Built In Regexes
Output Format
Regex
Case Insensitive
'^''$' Match Newlines
Dot Matches All
Unicode Support
Astral Support
Display Total
Regular Expression Tester can define your own regular expression (regex) to search the input data with, optionally choosing from a list of pre-defined patterns.
Tip: Supports extended regex syntax including the 'dot matches all' flag, named capture groups, full unicode coverage (including \\p{} categories and scripts as well as astral codes) and recursive matching.
References
https://wikipedia.org/wiki/Regular_expression
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