[Solved] php – Regular expression to validate this string [closed]

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$string="1234-ABCD-EFGH";

preg_match("~[0-9]{4}-[A-Z]{4}-[A-Z]{4}~", $string, $matches);

print_r($matches);

This code will output the $matches array that contains the match information.

preg_match will return true or false depending on whether the string matched.

If you prefer to also match lower case characters, use this one:

preg_match("~[0-9]{4}-[A-Za-z]{4}-[A-Za-z]{4}~", $string, $matches);

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solved php – Regular expression to validate this string [closed]