preg_replace模式，无法让它工作

Question

I have s tring that look like this

"143s (2m 23s)",

and I want to turn it in to this

"143",

I'm triyng to use preg_replace, but I cant get it to work

$file = "\"143s (2m 23s)\",";
$file = preg_replace("/[0-9]*(s*.*)/", "", $file);
echo $file;

Thank you

Answer:

$file = preg_replace('/("\d+)s.*(\",)/', '$1$2', $file);

Answer 1

How about:

$file = "\"143s (2m 23s)\",";
$file = preg_replace('/("\d+)/', '$1",', $file);
echo $file;