PHP/String/eregi

Case-insensitive Pattern Matching

   <source lang="html4strict">

<?php

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

?>

 </source>
   
  

eregi() function searches a string for another string.

   <source lang="html4strict">

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; ?>

 </source>
   
  

eregi.php

   <source lang="html4strict">

<?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!";

?>

 </source>
   
  

Getting the title of a remote page

   <source lang="html4strict">

<?php $file = fopen("http://www.php.net/", "r"); if (!$file) {

echo "

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); ?> </source>