in reply to Re: Regex pattern that fails when string contains a certain pattern
in thread Regex pattern that fails when string contains a certain pattern

Thanks!!!
You're right: my specification was incomplete.
Extended specification: Strings starting with a number should not be matched as well
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Re^3: Regex pattern that fails when string contains a certain pattern
by tybalt89 (Monsignor) on Dec 22, 2016 at 09:51 UTC
    #!/usr/bin/perl # http://perlmonks.org/?node_id=1178340 use strict; use warnings; while(<DATA>) { print /^(?!.*(?:-|_|^)\d)/ ? " matched $_" : "not matched $_"; } __DATA__ aa1.2 aa1_bb2 aa1_2 aa1_2bb 1aa