Regular expression test tool. The provided regular expression (pcre, caseless matching, "." matches anything incl. newline) is appplied against the provided test strings to verify if the pattern matches.
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<H2>OPTIONS</H2>
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<DT><string>|<path><DD>
The first argument either defines a single test string of a path to a file containing either multiple test strings or a test pattern with newline characters (text).
<DT><pcre>|<path><DD>
The second argument either defines a regular expression or a path to a file containing the expression.