I doubt it worked under 5.6.1. Perhaps it was tested, but then the test was insufficient. 
    /^PH.*?[^(H\-000)(IF\-000)]$/

[download]
will reject any file name ending in a 0, including 
    PH0022080209401500001PE-000

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yet that is a legal file name according to your specifications. 
$ /opt/perl/5.6.1/bin/perl -wle 'print "Reject" unless
      "PH0022080209401500001PE-000" =~ /^PH.*?[^(H\-000)(IF\-000)]$/'
Reject
$

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Abigail

In reply to Re: old Perl regex problem by Abigail-II
in thread old Perl regex problem by GhodMode

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