On Thu, Feb 5, 2009 at 3:39 PM, harry greenmonster
<southwestmons...@googlemail.com> wrote:
> 'inputString' is a 5mb text file,
Since inputString is large you really should avoid causing it to be
copied over and over again which -[NSString
stringByReplacingCharactersInRange:withString:] is doing. You should
instead use a mutable string and -[NSMutableString
replaceCharactersInRange:withString:].
NSMutableString* tmpString = [[inputString mutableCopy] autorelease];
while([tmpString isMatchedByRegex:regexString]) {
range = [tmpString rangeOfRegex:regexString];
[tmpString replaceCharactersInRange:range withString:@""];
}
-Shawn
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