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Answer: How do i find $a and replace it with $b when it's preceded by $c?

by Anonymous Monk
on Apr 09, 2001 at 21:40 UTC ( #71091=categorized answer: print w/replies, xml ) Need Help??

Q&A > regular expressions > How do i find $a and replace it with $b when it's preceded by $c? - Answer contributed by Anonymous Monk

I did a benchmark, and the fastest solution is s/$c$a/$c$b/g. Don't use backreferences unless you have to.

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