regular expression for name validation in php

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

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

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

PHP user registration Information Validation regular expression, user registration regular expression The following method of verifying the username is the principle that the user name must be composed of alphanumeric bands with a dash, let's take

Basic knowledge CharacterPOSIX Extended Regular Expression functionsPerl-compatible Regular expression functionsFrom the message verification. The format of the message: Tenssun@163.com Where Tenssun is the user name, 163.com is the server name

1. Verify numbers: Only 1 numeric expressions can be entered ^\d$ description matches an example of a number match 0,1,2,3 mismatch example 2. You can only enter n numeric expressions ^\d{n}$ For example ^\d{8}$ describe matching 8 numbers matching

This article mainly introduced the YII2 framework data validation operation, combined with the case form detailed analysis the YII framework common data validation operation principle, the realization method and the related operation skill, the need

This paper introduces the concepts of character group, quantifier, string start/end position, grouping, selection structure, inverse reference and named grouping in regular expression by perfecting a regular expression of verifying mobile phone

The most common validation that we encounter is email address verification. Common on the site. Various web scripts are also commonly used in "regular expression" (regular expression) to verify the email address we entered, to determine whether it