regular expression for email in php

PHP regular expression syntax reprinted from: http://blog.csdn.net/kkobebryant/article/details/267527 Basic regular expression syntax First, let's take a look at two special characters: '^' and '$'. they are used to match the start and end of the

PHP Regular Expression full manual, regular expression full manual Full Manual of regular expressions for PHP Objective Regular expressions are cumbersome, but powerful, learned applications will give you an absolute sense of accomplishment in

Reprinted from: http://blog.csdn.net/kkobebryant/article/details/267527 Basic syntax for regular expressions First, let's take a look at two special characters: ' ^ ' and ' $ ' they are used to match the beginning and end of the string,

PHP regular expression full manual, regular expression full manual Php regular expression full manual Preface Regular Expressions are cumbersome, but they are powerful. The application after learning will give you an absolute sense of accomplishment

: This article mainly introduces the PHP regular expression syntax summary. if you are interested in the PHP Tutorial, you can refer to it. Http://bbs.chinaunix.net/forum.php? Mod = viewthread & tid = 4101636. Use well Regular expressionPHP is often

On regular expressions, regular expressions First, what is a regular expression? Simply put: Regular expressions (Regular expression) is a language that handles string matching; A regular expression describes a pattern of string matches that can be

PHP and regular expressions. A regular expression from a swords blog is a specific format that can be used to identify the usage of a string in another string. Several programming languages, including blogs from swords A regular expression is a

Objective PHP is a large number of web-used background CGI development, usually after the user data data to produce some results, but if the user input data is incorrect, there will be problems, such as someone's birthday is "February 30!" How

1. Getting Started In short, regular expressions are a powerful tool for pattern matching and replacement. We can find regular expressions in almost all UNIX-based tools, such as the vi Editor, Perl or PHP scripting language, and awk or sed shell

PHP code $STR = Preg_replace ("/() (. *?) ()/", ' \1\2\3", $str); The uses three sub modes (one in each parenthesis), the first one is the link start tag, the second is the link text, and the third is then \1, \2, and \3 in the second argument,