verify validity of 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-",

I. Ask questionsAt present, we are increasingly not sure whether the Email address provided by the user on the Web page or on the phone is actually valid. In today's age of spam flooding, people have no reason to give up their Email addresses easily.

I. Ask questions At present, we are increasingly not sure whether the Email address provided by the user on the Web page or on the phone is actually valid. In today's age of spam flooding, people have no reason to give up their Email addresses

When creating websites, especially various e-commerce websites, we first ask users to fill in some forms to obtain various information about registered users, because users may enter various types of information, some non-conforming data may cause

When creating websites, especially various e-commerce websites, we first ask users to fill in some forms to obtain various information about registered users, because users may enter various types of information, some non-conforming data will be

(1). Overview and functions Two methods are used to verify the email format, Asp.net verification control and manual writing. Code Verification. It uses the simple factory and appropriate product design mode, code reconstruction technology, to

First, ask questions Now, for the email address that the user gives on the Web page or on the phone, we are increasingly not sure if it really works. In today's era of spam, there is every reason to be reluctant to disclose the email address easily.

Php code that verifies the validity and correctness of the email address entered by the user Function validate_email ($ email ){ $ Exp = "^ [a-z '0-9] + ([. _-] [a-z '0-9] +) * @ ([a-z0-9] + ([. _-] [a-z0-

First, ask questions Now, for the email address that the user gives on the Web page or on the phone, we are increasingly not sure if it really works. In today's era of spam, there is every reason to be reluctant to disclose the email address easily.

The verification of the validity of email address is a problem often encountered! The general test method is to the email address string for a simple format test, such as whether or not to contain the valid characters such as @. This method only