CODEWITHSUNDEEP
iphoneios4nsstring
Sekhar Bhetalam
Sekhar Bhetalam

Reputation: 4535

How to separate a string in iPhone sdk

I need to get a string that which is in between ( and ). For example I have a string like "name(123)". I need to get the values of 123 which between ( and ).

Upvotes: 0

Views: 515

Answers (2)

Zaky German
Zaky German

Reputation: 14334

NSString *string = @"name(123)";
NSString *seperatorCharsString = @"()";
NSCharacterSet *seperatorCharSet = [NSCharacterSet characterSetWithCharactersInString:seperatorCharsString];
NSArray *components = [string componentsSeparatedByCharactersInSet:seperatorCharSet];
NSString *number = [components lastObject];

Upvotes: 2

vdaubry
vdaubry

Reputation: 11439

You should use a regular expression to extract to the string, you can do that with blocks and NSRegularExpression (since iOS4.0)

Something like this :

NSRegularExpression *reg = [NSRegularExpression regularExpressionWithPattern:@"\(.*?\))" options:NSRegularExpressionCaseInsensitive error:nil];

[reg enumerateMatchesInString:<YOUR_STRING> options:0 range:NSMakeRange(0, [<YOUR_STRING> length]) usingBlock:^(NSTextCheckingResult *match, NSMatchingFlags flags, BOOL *stop){
    for (int i=0; i < match.numberOfRanges; i++) {
        NSRange range = [match rangeAtIndex:i];
        NSString *extractedString = [<YOUR_STRING> substringWithRange:range];
    }
}];

Hope this helps, Vincent

Upvotes: 2

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