PHP/String/eregi

Case-insensitive Pattern Matching

 
<?php
    $a = "UPPERCASE";
    echo (int) ereg ("uppercase", $a);
    echo "\n";
    echo (int) eregi ("uppercase", $a);
    echo "\n";
?>

eregi() function searches a string for another string.

 
Its syntax is: int eregi(string pattern, string string, [array regs])
<?
$password = "abc";
if (! eregi ("[[:alnum:]]{8,10}", $password)) :
     print "Passwords must be from 8 through 10 characters in length.";
endif;
?>

eregi.php

 
<?php
   $pswd = "asdf1asdf";
   if (!eregi("^[a-zA-Z0-9]{8,10}$", $pswd)) 
   echo "password must consist of alphanumeric characters, and must be 8-10 characters in length!";
?>

Getting the title of a remote page

 
<?php
$file = fopen("http://www.php.net/", "r");
if (!$file) {
    echo "<p>Unable to open remote file.\n";
    exit;
}
while (!feof($file)) {
    $line = fgets($file, 1024);
    if (eregi("<title>(.*)</title>", $line, $out)) {
        $title = $out[1];
        break;
    }
}
fclose($file);
?>