JavaScript DHTML/Date Time/Date Parse

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Date parse Example

 
    
<html>
<body>
<button onclick="var myDate = new Date(); 
                 alert(Date.parse(myDate));">Date: PARSE</button>
</body>
</html>



Find a date string with regular expression

  
<html>
<head>
<title>Find Date</title>
</head>
<body>
<script type="text/javascript">
var regExp = /:\D*\s\d+\s\d+/;
var str = "This is a date: March 12 2008";
var resultString = str.match(regExp);
document.writeln("Date" + resultString);
</script>
</body>
</html>



Use regular expression to check a date

  
<HTML>
<HEAD>
<TITLE>A date</TITLE>
<SCRIPT>
function checkDate(testStr) {
   var pattern = /\b(\d{2})\/(\d{2})\/(\d{4})\b/;
   var result = testStr.match(pattern);
   if (result != null)
      return "It is a date!";
   else
      return "Not a date.";
}
</SCRIPT>
</HEAD>
<BODY>
<FORM name="theForm">
<TABLE>
Enter a date in mm/dd/yyyy format:
<INPUT type=text name=testStr size=20 maxlength=10>
<INPUT type=button name="theButton" value="Verify the Format" onClick="alert(checkDate(document.theForm.testStr.value))";>
</FORM>  
</BODY>
</HTML>
Источник — «http://wbex.ru/index.php?title=JavaScript_DHTML/Date_Time/Date_Parse&oldid=1767»