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Simple string replacement

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Simple string replacement

Subject: Simple string replacement
From: Stephen Caudill <email@hidden>
Date: Thu, 23 Feb 2006 11:37:42 -0500

A no-brainer for a lot of you, I'm sure, but this has me stumped. I have a variable string, that's going to come in the form of: "foo bar", "foobar" or "foo bar baz" with which I'd like to do a simple replacement on the space with an underscore, if there's a space present... I'm attempting this:

NSMutableString *tagName = [f lowercaseString]; tagName = (NSMutableString*)[tagName replaceOccurrencesOfString:@"a" withString:@"_" options:NSLiteralSearch range:NSMakeRange(0, [tagName length])];

Which is yielding nil for everything that passes through it... Can someone point me to where I'm going wrong?

Thanks,
Stephen
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