clean string

[vbnullchar]

i want a string to be free of non alpha-num chars except dash.. how can i do this?

[ghostdog74]

how does your string looks like

 

[vbnullchar]

10$.2&31.1!2_32.123(as dfa).jpg

 

 

[ghostdog74]

echo preg_replace("/[^-a-zA-Z0-9]+/","",$s);

[vbnullchar]

thanks,

[nrg_alpha]

You can simply the pattern as such:

 

$str = '10$.2&31.1!2_32.123(as dfa).jpg';
$str = preg_replace('#[^a-z0-9-]#i', '', $str);
echo $str;