Searching for a number, followed by a char, followed by the same number is easy:

m/(\d).\1/

That also matches 111:

$ perl -E 'say "match" if "111"=~/(\d).\1/'
match
$

[download]

Alexander

--
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

In reply to Re: arithmetic in a regex ? by afoken
in thread arithmetic in a regex ? by Anonymous Monk

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