Created
January 13, 2015 07:03
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objective-c check to validate email address
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-(BOOL) isValidEmail:(NSString *)checkString | |
{ | |
BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/ | |
NSString *stricterFilterString = @"[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}"; | |
NSString *laxString = @".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*"; | |
NSString *emailRegex = stricterFilter ? stricterFilterString : laxString; | |
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; | |
return [emailTest evaluateWithObject:checkString]; | |
} |
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