[PerlChina] wanna a regex expression
yang.liana at gmail.com
Tue Aug 22 23:07:08 PDT 2006
suppose a src string like this: how are you today ? "are you ok?" you are welcome!
I want this string to be : how are hello today? "are you ok?" hello are welcome!
I want to use just a regex express to do it. but i cant prevent from "are you ok?" being changed to be "are hello ok?".
I want to use the *Look ahead* or *Look behind* to solve it. can I ?
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