preg match email validation

PHP Common Expressions Usage1. Matching positive integers:/^[1-9]\d*$/2. Match non-negative integers (positive integer +0):/^\d+$/3. Match Chinese:/^[\x{4e00}-\x{9fa5}]+$/u4. Match email:/^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) */5.

In computer science, a regular expression is used to describe or match a series of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect and find replacements for certain strings that

In computer science, regular expressions are used to describe or match a sequence of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect, find, and replace certain strings that conform

In web development, regular expressions are often used to detect, find, and replace certain strings that conform to rules, such as detecting the correctness of user input E-mai formats, gathering page content that matches the rules, and so on.Here

In computer science, regular expressions are used to describe or match a sequence of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect, find, and replace certain strings that conform

In computer science, a regular expression is used to describe or match a series of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect and find replacements for certain strings that

In computer science, a regular expression is used to describe or match a series of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect and find replacements for certain strings that

In computer science, a regular expression is used to describe or match a series of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect and find replacements for certain strings that

1. Match positive integer:/^[1-9]\D*$/2. Match nonnegative integer (positive integer +0):/^\d+$/3. Match Chinese:/^[\x{4e00}-\x{9fa5}]+$/u4. Match email:/^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) */5. URL of Match URL: ((((F|HT) {1}

How to load: The code is as follows Copy Code Well, first look at the code simplification effect: Determine if test equals 1 end alert results The code is as follows Copy Code $ ('