- preg_match: documentation ( source)
<?php
t_ereg("d");
t_ereg("c");
t_ereg("ct");
t_ereg("coat");
t_ereg("do");
t_ereg("dog");
t_ereg("dogcat");
t_ereg("docat");
t_ereg("doc");
t_ereg("cat");
t_ereg("c1234abct");
function t_ereg ( $line )
{
$pattern='dog|c*t';
echo "$pattern=>\"$line\":";
echo (preg_match("/$pattern/", $line))?"1":"0";
echo "\n";
}