I can't reproduce your problem: 
#!/usr/bin/perl
use strict;
use warnings;

$ENV{CLEARCASE_VIEW_TAG} = 'result';

if ("i can haz result" =~ $ENV{CLEARCASE_VIEW_TAG}) {
    print "match\n";
}
__END__
match

[download]

So chances are that one of the variables doesn't contain what you think it does. Try to use Data::Dumper to find out. Be sure to set $Data::Dumper::Useqq = 1 before using it, that way non-printable characters will also be shown.

In reply to Re: Trying to pattern match a clearcase environment variable by moritz
in thread Trying to pattern match a clearcase environment variable by And Green

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