Question

How to detect if string contains one uppercase letter or more in PHP

Answer 1

$string = 'PHP is a ScripTing language';

if (preg_match('/[A-Z]/', $string)) {
     echo "yes\n";
} else {
    echo "no\n";
}


if (preg_match('/[A-Z]/', "abcd")) {
     echo "yes\n";
} else {
    echo "no\n";
}





/*
run:

yes
no

*/

 

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