Question

How to get the first number from a string in PHP

Answer 1

function getFirstNumbers($s) {
    preg_match('/\d+/', $s, $matches);
    
    if (!empty($matches)) {
        return (int)$matches[0];
    }
    
    return -1;
}

$str = "ZQ14876Fu2357-X18Y";

echo getFirstNumbers($str);



/*
run:
   
14876
   
*/

 

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