regex min 9 max 9

<script type="text/javascript">
                        function validate(evt) {
                          var theEvent = evt || window.event;

                          // Handle paste
                          if (theEvent.type === 'paste') {
                              key = event.clipboardData.getData('text/plain');
                          } else {
                          // Handle key press
                              var key = theEvent.keyCode || theEvent.which;
                              key = String.fromCharCode(key);
                          }
                          //var regex = /[0-9]|\./; ini hanya angka
                          var regex = /[0-9]^\w{0,10}$|\./; //saya mau min. 9 max. 9
                          if( !regex.test(key) ) {
                            theEvent.returnValue = false;
                            if(theEvent.preventDefault) theEvent.preventDefault();
                          }
                        }
</script>