in reply to Positive lookbehind and lookahead confusion

It cannot match because the pattern expects \d+fish , which is not present in your string.

Maybe you want an additional .* after the \d+ ?

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Re^2: Positive lookbehind and lookahead confusion
by Anonymous Monk on Nov 27, 2016 at 09:52 UTC
    Thank you Corion. That was slightly embarrassing. :)