Validate the Date : Date « Regular Expressions « JavaScript Tutorial

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JavaScript Tutorial » Regular Expressions » Date 
26.3.2.Validate the Date
<HTML>
<HEAD>
<SCRIPT>
function checkDate(testStr) {
   var pattern = /\b(\d{2})\/(\d{2})\/(\d{4})\b/;
   var result = testStr.match(pattern);
   if (result != null)
      return "Well done.";
   else
      return "You didn't input a date in the specified pattern.";
}
</SCRIPT>
</HEAD>
<BODY>
Check a date format today!
<FORM name="theForm">
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>
26.3.Date
26.3.1.Use Regular Expression to validate date
26.3.2.Validate the Date
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