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| Think about Loose Coupling | |
| PerlMonks |
Re^3: Pattern matching exlusionby Loops (Curate) |
| on Nov 29, 2014 at 03:07 UTC ( #1108691=note: print w/replies, xml ) | Need Help?? |
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The [A-Z0-9] part of the expression matches any letter or any number. And it's followed by an asterisk "*", which means zero or more instances. So "1B3" and "K4R" both match at that point in the pattern. To use upper case only, remove the trailing "i" from the initial $formget assignment.
In Section
Seekers of Perl Wisdom
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