PHP RegEx: Match A String PHP Script


PHP RegEx: Match A String PHP Script

In this tutorial I will show you the basic in regex.

In brief discussion.

Regex is considered a method of matching pattern within a string. In PHP usually used PCRE or “Perl Compatible Regular Expressions”.

Let’s see a sample to print a string.

 

 

    <?php
     
    // create a string 
    $string = 'abcdefghijklmnopqrstuvwxyz0123456789'; 
    // echo our string 
    echo $string; 
     
    ?>

 

The above code are printing “abcdefghijklmnopqrstuvwxyz0123456789”. Now were going to match the character “xyz” using regex.

 

 

    <?php 
     
    // create a string 
    $string = 'abcdefghijklmnopqrstuvwxyz0123456789';
    echo preg_match("/xyz/", $string);
     
    ?>

 

 

The code above will output “1” because the character “xyz” are matches to the string given. Then the preg_match will output zero “0” if it could not matches to the string given.

 

 

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