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Re: Regular Expressions?
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Re: Regular Expressions?


  • Subject: Re: Regular Expressions?
  • From: Bob Warwick <email@hidden>
  • Date: Fri, 6 Jun 2008 05:01:38 -0300

Hello -

	Whoops!  I can read.

You use the replaceOccurrencesOfString:withString:options:range: method in NSMutableString. It works on the same instance of the string instead of creating a new string.

	For example:

NSMutableString *someString = [NSMutableString stringWithString:@"The quick brown fox"];
[someString replaceOccurrencesOfString:@"quick" withString:@"slow" options:NSCaseInsensitiveSearch range:NSMakeRange(0, [someString length])];


-Bob Warwick
email@hidden

On 6-Jun-08, at 4:54 AM, Cemil Browne wrote:

Bob,

Thanks for the reply...

However, stringByReplacingOccurrencesOfString only works in Tiger, though, right? What did everyone do last year for it?

-Cemil
On 06/06/2008, at 5:51 PM, Bob Warwick wrote:

Hello -

There is no regular expression support in Cocoa. You might find http://www.cocoadev.com/index.pl?RegularExpressions useful in helping to find a library to do it for you.

	Search and replace in Cocoa looks like this:

NSString *someString = @"The quick brown fox";
NSString *newString = [someString stringByReplacingOccurrencesOfString:@"quick" withString:@"slow"];


You can find this in the NSString documentation. It creates a new string with the substring replaced.

-Bob Warwick
email@hidden

On 6-Jun-08, at 4:31 AM, Cemil Browne wrote:

Hi all,

This might be a really silly question - but am I missing something obvious?
Is there any support at all for regular expressions in the Cocoa libraries?


I can't find anything and I've found some third-party frameworks - but
surely something so necessary must be buried in the string classes
somewhere? How would I do a simple substring search or replace in 10.4?


Thanks,
Cemil
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References: 
 >Regular Expressions? (From: "Cemil Browne" <email@hidden>)

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