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  • How to validate that string is email address or not.

    @shubham.choudhary
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    During User registration it is very necessary to check that entered email id is valid or not. To check that following code will help you.

    - (BOOL)validateEmailWithString:(NSString*)email
{
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailTest evaluateWithObject:email];
}
    iphone
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