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how to measure strictness of a regex ?by didess (Sexton) |
on Jan 23, 2013 at 00:12 UTC ( [id://1014816]=perlquestion: print w/replies, xml ) | Need Help?? |
didess has asked for the wisdom of the Perl Monks concerning the following question:
Hi Monks ! Do you know some "measure" of how strict a Perl regular expression is ?. By this I mean the following : For example, the string ' Daddy' matches /Dad+y/. It matches /D.+/ too. I hope everyone agrees if I pretend "the first regex is stricter than the second one". In the need I try to satisfy, I could introduce some limitation in the string's length. I'm looking for some algorithm or hidden attribute or any good idea translating this "obviousness" into a number, or anything allowing classifying regexes with respect to their "stricness". Thanks for the help !
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