preg match function in php

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Use of preg regular function in PHP the difference between 1.preg_match and Preg_match_all The difference between Preg_match and Preg_match_all is that preg_match matches only once. The Preg_match_all all match until the end of the string. Cases:

Demo Code Operation effect (Figure 1) Operation effect (Figure 2) Main Package function Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The

In our last article we took a look at the introduction of the PHP regular expression, then since the beginning of the study, then we will start to learn the use of the PHP regular expression, then the following specific in PHP how to use it, this

the difference between 1.preg_match and Preg_match_allThe difference between Preg_match and Preg_match_all is that preg_match matches only once. The Preg_match_all all match until the end of the string. Cases:2. The difference between greedy and non-

PHP preg_replace () Regular replacement, unlike JavaScript regular substitution, PHP preg_replace () is the default is to replace all symbol matching conditions of the elements need our program processing data is not always pre-designed database

Mixed preg_replace (mixed $pattern, mixed $replacement, mixed $subject [, int $limit =-1 [, int & $count]]) Returns an array if subject is an array, otherwise returns a string. If an error occurs, NULL is returned. Modifier \e is deprecated,

In the programming of the basic will use regular expression to deal with the data, then the following specific in PHP how to use it, this article through concrete examples, to explain the use of the PHP expression in the method. Recently, using PHP

Note:Backslashes have special meanings in both single-quote strings and double-quote strings, so to match a backslash, the pattern must be written as "\\\\". "/\\/", first it as a string, the backslash will be escaped, then the result of escaping is/