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regex for correcting &
matching only a single &
santapaws




msg:4508910
 3:46 pm on Oct 17, 2012 (gmt 0)

trying to cleanup some loose '&'s with &#38:
thought a find and replace using \s&\s and replacing with &#38 would do the trick. So a single & identified by a space either side. But when i try this in espresso and other regex software it doesnt match. Dont understand why. Any help?

 

lucy24




msg:4509117
 11:09 pm on Oct 17, 2012 (gmt 0)

Do you mean it never matches, or it only sometimes matches?

When you say &#38 I hope you mean & with closing semicolon. Most browsers will display it without, but it isn't formally correct. fwiw, I always use &

If you're adding html markup to existing text, it is definitely easier to do ampersands before anything else at all. Then you can just replace them globally. (I'm speaking from an e-books perspective.)

It doesn't matter what comes before the &. You have to look at what comes after it-- and that depends on what state your text is in. A lookahead may be the best approach:
&(?!#|mdash;|amp;) and so on.

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