JS正則表達式整理（不斷更新中...）

/<([^>]+)>/g    //匹配所有的HTML標籤

//-------------------------------------------------------------------------------------------
//限制輸入框輸入
function regInput(obj, reg, inputStr)
{
 var docSel = document.selection.createRange()
 if (docSel.parentElement().tagName != "INPUT") return false
 oSel = docSel.duplicate()
 oSel.text = ""
 var srcRange = obj.createTextRange()
 oSel.setEndPoint("StartToStart", srcRange)
 var str = oSel.text + inputStr + srcRange.text.substr(oSel.text.length)
 return reg.test(str)
}

//demo:
<INPUT  onKeyPress="return regInput(this, /^/d{0,9}$/, String.fromCharCode(event.keyCode))">
//--------------------------------------------

//-------------------------------------------------------------------------------------------
//判斷日期格式(精確到秒)
String.prototype.isDateTime = function()
{
  var r = this.match(/^(/d{1,4})(-|//)(/d{1,2})/2(/d{1,2}) (/d{1,2}):(/d{1,2}):(/d{1,2})$/);
  if(r==null)return false; var d = new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
  return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}

//判斷日期格式(精確到天)
String.prototype.isSmallDateTime = function()
{
  var r = this.match(/^(/d{1,4})(-|//)(/d{1,2})/2(/d{1,2})$/);
  if(r==null)return false; var d = new Date(r[1], r[3]-1,r[4]);
  return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}

//demo
if((!s_reg_date.value.isSmallDateTime())&&(!s_reg_date.value.isDateTime())){
      alert("錯誤的日期格式!");
//--------------------------------------------------------------------------