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  • Check a string with special characters in ios

    @ashish.nakoti
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    If you want to check any NSString containing special characters then check this out.

    -(BOOL)specialCharacter:(NSString*)username{
    NSCharacterSet *invalidCharSet = [[NSCharacterSet characterSetWithCharactersInString:@"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"] invertedSet];
    NSString *filtered = [[username componentsSeparatedByCharactersInSet:invalidCharSet] componentsJoinedByString:@""];
    return ![username isEqualToString:filtered];

}

    Hope this will help you.

    Happy Coding!!!

    special character NSString ios iphone objc
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