Regular Expression Example: Find a String in Another String_PHP Tutorial

return list

in Search

>The second string can be anywhere in the first string

>The first string starts with the second string

< input type="radio" name="where" value="$" >The first string End with the second string

Case sensitive

if(isset($ string) and isset($query) and $string<>"" and $query<>""){
if(isset($case)){
$func = "ereg";
}
else{
$func = "eregi";
}
switch($where){
case "^":
$query = "^" . $query ;
break;
case "$":
$query .= "$";
break;
}
eval("$found = $func("$query" ,"$string");");
if($found){
echo "Found! ";
}
else{
echo "Not found! ";
}
}
?>

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