remove all white space code? help please

[__md__]

Hi all

 

Can someone please explain to me exactly what this code is doing please i would bee very grateful

 

function ValidatorTrim(s)

{

var m = s.match(/^\s*(\S+(\s+\S+)*)\s*$/);

return (m == null) ? "" : m[1];

}

[developerdave]

function ValidatorTrim(s) 
{
   var m = s.match(/^\s*(\S+(\s+\S+)*)\s*$/);
   return (m == null) ? "" : m[1];
}

 

Its a code highlighter and s is your search term/keyword to highlight