How do I get the first number of a six-group string?

4wt667knxi

3j8fnobhjg

Xzkb9rnvzu

Rx1vju8sx5

Miao8facox

Jb2rc2ofnq

The above six groups of strings, are randomly changed, and now I want to get the first number of these six sets of strings, such as the six groups above I want to finally get: 439182, how should I write code?

Reply to discussion (solution)

$s = <<
 
 < pre=""> 
  
 
  
   
  
$s =<<< txt4wt667knxi3j8fnobhjgxzkb9rnvzurx1vju8sx5miao8facoxjb2rc2ofnqtxt;preg_match_all ('/(\d+?). *$/m ', $s, $m); Echo Join (", $m [1]);
439182
  
