eregi

Many may have headaches for regular expressions. today, I have added some articles to my understanding and hope to use expressions that can be understood by ordinary people. share your learning experience with you. starting with The regular

Php form sensitive character filtering class, php form filtering. Php form sensitive character filtering class. php form filtering this article describes the php form sensitive character filtering class and its usage. Share it with you for your

? Phpif (eregi (^ [_. 0-9a-z-] + @ ([0-9a-z] [0-9a-z-] + .) + [a-z] $, $ email) {echo your e-mail through a preliminary check ;}? In this sentence, an eregi function is first applied, which is quite understandable. If you look for a book, you can

Capturing and analyzing a file is very simple. This tutorial will show you how to implement it step by step through an example. Let's get started! First, I must first determine the URL we will capture. It can be set in the script or passed through $

Regular expressions provide a powerful way to work with text. With regular expressions, you can perform complex validation of user input, parse user input and file content, and reformat strings. PHP provides users with a simple way to use POSIX and

Regular expression: a syntax rule used to describe character arrangement and matching modes. It is mainly used for string mode segmentation, matching, search and replacement operations. Regular expression: a syntax rule used to describe character

My Forum source code (7) info. inc. php mainly performs some judgment and information processing. Function update ($ reginfo) { Switch ($ reginfo [4]) { Case ($ reginfo [4] = 1 ): $ Reginfo [4] = "male "; Break; Default: $ Reginfo [4] = "female ";

?? Summary: as a key way for users to submit information, forms have always been the most basic aspect of PHP programming, and are also a major point and difficulty for beginners. Why are we confused when we choose to process associations, obtain

PHP5.3.1 was released today, but the ISAPI mode was not found during installation, and the php5isapi. dll file was not found after installation. after a long time, I finally figured it out. To use a later version of PHP on IIS6, you must install the

: 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

Php checks whether the code is a Chinese-English digit sample code. Copy the code as follows: $ strasb Tianshui City 12; if (preg_match (^ [x7f-xff] + $, $ str) {echo is all Chinese characters;} else {echo is not all Chinese characters ;} ** PHP

PHP5.3.1 no longer supports isapis. To use a later version of PHP on IIS6, you must install the fastCGI Extension, MicrosoftFastCGIExtensionforIIS5.1and6.0, and then let your IIS6 support fastCGI. Set the fastCGI Extension to be installed in php.

Php regular expression learning instances. ^ The: match a string starting with The; ofdespair $: match a string ending with ofdespair; ^ abc $: match a string starting with abc and ending with abc, actually, only abc matches "^ The": matches The

1. Introduction to Getting Started Simply put, regular expressions are a powerful tool that can be used for pattern matching and substitution. We can find regular expressions in almost all UNIX-based system tools, such as VI Editor, perl or PHP

function Validateemail ($email) {return eregi ("^[_a-z0-9-]+ (\.[ _a-z0-9-]+) *@[a-z0-9-]+ (\.[ a-z0-9-]+) * (\.[ a-z]{2,3}) $ ", $email); } function Validateurl ($url) {return eregi ("^ (ht|f) tp://) (([A-z0-9-]+ (\.[ a-z0-9-]+) * (\.[ a-z]{2,3}))

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,

Look at the case study regular expression First, let's take a look at two special characters: ' ^ ' and ' $ ' they are used to match the start and end of the string, respectively, to illustrate the following: First, let's take a look at two special

"^the": matches a string that begins with "the"; "Of despair$": matches a string ending with "of despair"; "^abc$": matches the string starting with ABC and ending with ABC, in fact only ABC matches it; "Notice": matches the string containing the

The basic syntax of php regular expressions is summarized in detail. First, let's take a look at two special characters: & amp; rsquo; ^ & amp; rsquo; and & amp; lsquo; $ & amp; rsquo; they are used to match The start and end of The string

Capturing and analyzing a file is very simple. This tutorial will show you how to implement it step by step through an example. Let's get started!First, I must first determine the URL we will capture. It can be set in the script or passed through $