Verify the validity of the email address.

Verify the validity of the email address.

 

Code:

-(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "verify email validity"; NSString * email = @ "123456@qq.com"; NSLog (@ "-- % I-", [self isValidateEmail: email]);} // use the regular expression-(BOOL) isValidateEmail :( 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 email];}

 

Output:

14:29:54. 704Verify email Validity[0, 29052: 60b] -- 1-