"Mismatched" is so hard to understand?

Did you try taking it out?

{...} surrounds quantifiers in regexen, like:

=~/[A-Z](1,3}/ # Match any char in the range A-Z no fewer than once,
               # nor more than 3 times

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In reply to Re^4: regex testing for multiple values by ww
in thread regex testing for multiple values by grashoper

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