NSString replace repeated newlines with single newline

Question

I have an NSString which can have multiple \\n in between the string. I need to replace the multiple occurrence of \\n\'s with a single \\n.

I tried this co

Answer 1

You might use NSRegularExpression. This is the most simple and elegant way:

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"\n+" options:0 error:NULL];
NSString *newString = [regex stringByReplacingMatchesInString:string options:0 range:NSMakeRange(0, [string length]) withTemplate:@"\n"];