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Home/ Questions/Q 182255
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Asked: May 11, 20262026-05-11T14:54:27+00:00 2026-05-11T14:54:27+00:00

Suppose the string is: string item = t-ewrwerwerwerwer\r-rr\wrjkwlr; I want to Replace all –

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Suppose the string is:

string item = 't-ewrwerwerwerwer\r-rr\wrjkwlr'; 

I want to Replace all – except when it is preceded by r.

So resut will be

string cleanItem = 'tewrwerwerwerwer\r-rr\wrjkwlr'' 

What regular expression can be used?

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  1. 2026-05-11T14:54:27+00:00Added an answer on May 11, 2026 at 2:54 pm

    A replacement on (?<!r)- by an empty string should do the trick I think.

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