NSString remove all Character and Special Symbol Except 0 To 9 number

NSString

NSString * phoneNumberString = @”(555) 555-5 !@#$%^&*()}{|:><‘?/.,’;][’55 Office”;

NSString *pureNumbers = [[phoneNumberString componentsSeparatedByCharactersInSet:[[NSCharacterSet decimalDigitCharacterSet] invertedSet]] componentsJoinedByString:@“”];

NSLog(@”%@”,pureNumbers);