In both cases script will remain same, just way of using script is changed. (14 printed pages) Download the source code for this article. Whether you need to validate user input, search for patterns within strings, or reformat text in powerful ways, regular expressions can help.

regular expression for validating date format mmddyyyy in asp net-22

$x- prefix means "byref", meaning I'm passing or receiving a value that will get updated without being returned as a result of a function.-a- prefix means array-d- prefix means date So this translates to, "byref array of dates, broke up into bits".

This is my Adapted Hungarian Notation because Hungarians are cool.

The PHP function returns that value to us -- we don't give it an initial value.

Here I'm writing some script to validate date in mm/dd/yyyy format., there are two option either write method and then call that method wherever you want to validate your date or add your scripts to JQuery validation with class name and then use that class name on control you want to validate.

This article covers the basics and recommends where to go to learn more. I hope it will also make a handy reference/refresher for developers who have used regular expressions before, in conjunction with my regular expression cheat sheet.

This article is designed for beginners with little or no experience with regular expressions, but who are familiar with ASP. In this article, I will discuss: If you have questions about this article or regular expressions in general, I invite you to ask them on the regex mailing list at which as I'm writing this has over 350 subscribers.Regular expressions as they exist today were invented in the 1950s.Introduction Brief History of Regular Expressions Simple Expressions Quantifiers Metacharacters Character Classes Predefined Set Metacharacters Sample Expressions Validation in ASP.NET Regular Expression API Free Tools Advanced Topics Conclusion Resources About the Author Support for regular expressions in the Microsoft®.NET Framework is first-class, and even just within Microsoft® ASP.NET there are controls that rely on the language of regular expressions.