Hi Monks !

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

m/(\d).\1/

But how to search for a number, followed by a char, followed by the same number increased by one (\1+1) ?

So valid would be:

3x4, 5a6

Many thanks for your help !!

In reply to arithmetic in a regex ? by Anonymous Monk

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