After all, you must ensure the data is formatted as expected before working with it.With Web applications, you can choose to utilize platform-specific features, such as those available with ASP.In Java Script, regular expressions are often used with the two string methods: search() and replace().The search() method uses an expression to search for a match, and returns the position of the match.We have also checked the leap year factor for the month of February.We have used "/" and "-" character as a separator within the date format but you are free to change that separator the way you want.
In this tutorial, we discussed how you can perform Java Script date validation in 1. dd, mm and yyyy) and check whether dd is a valid date, mm is a valid month or yyyy is a valid year.
NET, JSP, and so forth, or you can take advantage of client-side Java Script.
Java Script's regular expressions simplifies data validation.
Regular expressions are a type of pattern matching.
They allow you to easily describe a pattern in text and are a great tool for validating textual data.
A regular expression is a sequence of characters that forms a search pattern.