Regular Expressions 101

Pro

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 1(GET|POST|REQUEST)

1st AlternativeGET

GETthe literal text GET (case sensitive)

2nd AlternativePOST

POSTthe literal text POST (case sensitive)

3rd AlternativeREQUEST

REQUESTthe literal text REQUEST (case sensitive)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^\]]*

*matches any number of characters outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

\$_(GET|POST|REQUEST)\[[^\]]*\]

New

<?php 
// before
$firstname = $_GET['firstname'];
$lastname = $_POST['lastname'];
$age = $_REQUEST['age'];
?>

<?php 
// before
$firstname = $_GET['firstname'];
$lastname = $_POST['lastname'];
$age = $_REQUEST['age'];
?>