php email validation regular expression

PHP email Regular expression validation, e-mail address regular expression The most common verification we encounter is email address verification. Common on the site. Various Web page scripts are also commonly used "regular expressions" (regular

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

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,

Take the mailbox verification, most people on the Internet write the mailbox validation regular expression code can not verify this mailbox: i@julying.com, nor can you verify xxxxxx@i.com . Last I found that youku.com (Youku) User registration has

They all take a regular expression as their first argument, listed as follows: Ereg: The most commonly used regular expression function, Ereg allows us to search for a string that matches a regular expression. Ereg_replace: Allows us to search for

Php Regular Expression verification (email address, Url address, phone number, zip code), regular expression url Content to be verified in this example:Email Address, Url address, phone number, zip codeThe verification method is shared with you for

Regular expressions for string processing, form verification, and other occasions, practical and efficient. This article collects some common expressions: $str = Preg_replace ("/( ) (. *?) ()/", ' \1\2\3 ', $str); It uses three sub

The regular expression validation password feature is often used in the project, but a lot of friends still do not use the password regular expression to verify, this article small series for everyone to organize the PHP password verification

ArticleDirectory Feedback Post comment Learn how to write a regular expression: ---------------------------------------------------------------Http://geekswithblogs.net/brcraju/articles/235.aspxWhat regular expression? A regular