s/(\d+)C/($1*9/5)+32 . "F"/ge;

I like [] for matches, and {} for code. Maybe the Apocalypses inspired me...

s[ (\d+) C ] { $1 * 9 / 5 + 32 . 'F' }gex;

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In reply to Re: regexp - how to embed a "/" within the executable part of the regexp when using /e by Juerd
in thread regexp - how to embed a "/" within the executable part of the regexp when using /e by princepawn

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