Preg_match expression to find code in string

Question

Example strings:

$string = "Buyer must enter coupon code 10OFF100 in shopping cart.";
$string = "Get $20 Off Auto Parts Order Over $150. Use Coupon code: GAPCJ20";

I need to extract the codes (10FF100 and GAPCJ20).

I was trying to create a preg_match to find "coupon code" and "coupon code:" and extract the phrase or word immediately after. Not having much luck myself or finding the reg expression.

Can some post the proper code please.

Thanks for the help.

Answer 1

Use this php code:

$arr = array("Buyer must enter coupon code 10OFF100 in shopping cart.", "Get $20 Off Auto Parts Order Over $150. Use Coupon code: GAPCJ20");
foreach ($arr as $s) {
   preg_match('~coupon code\W+(\w+)~i', $s, $m);
   var_dump($m[1]);
}

OUTPUT

string(8) "10OFF100"
string(7) "GAPCJ20"