Javascript regular expression: \s


<input type="button" value="Match1" onclick="javascript:demo('aaa bbb');return false;" />
&nbsp;&nbsp;&nbsp;
<input type="button" value="Match2" onclick="javascript:demo('aaa\tbbb');return false;" />
&nbsp;&nbsp;&nbsp;
<input type="button" value="No Match1" onclick="javascript:demo('aaa   bbb');return false;" /> &nbsp;&nbsp;&nbsp;
<input type="button" value="No Match2" onclick="javascript:demo('aaa\t\tbbb');return false;" />

<script type="text/javascript" language="JavaScript">
//<![CDATA[
   function demo(text) {
      var re = /aaa\sbbb/;
      if (text.match(re)) {
         alert("match");
      } else {
         alert("no match");
      }
   }
//]]>
</script>