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Code code:"if (foo != bar)"
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Regular expressions are a declarative language, mainly used for pattern matching within strings. Please include a tag specifying the programming language you are using, together with this tag.

6 votes
Accepted

Parse data from Input file and print results

Unnecessary use of lookahead regex Consider this line: if( $data[0] =~ /FileName=([^_]+(?=_))_(\S+)_file.csv:(\S+),/gm ){ First, as commented above we can remove the g and m flags. Then /[^_]+(? …
Håkon Hægland's user avatar
11 votes

Simple C transpiler

Unescaped left brace in a regex is deprecated and will be illegal from perl version 5.32 on You have two lines (line 11 and 21) where you have used a literal { in your regex without escaping it. … The warning you will get is: Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.32), passed through in regex; marked by <-- HERE in m/([A-z][A-z0-9]*)\s+:([A-z][A-z0-9]*) ({ …
Håkon Hægland's user avatar