How to validate a date in JavaScript?
Date validation. It is very important to validate the data supplied by the user through a form before you process it. Among various kind of data validation, validation of date is one. 1. dd/mm/yyyy or dd-mm-yyyy format. 2. mm/dd/yyyy or mm-dd-yyyy format. In the following examples, a JavaScript function is used to check a valid date format
How to check DD / MM / YYYY date in JavaScript?
Date of Birth and 18+ Minimum Age in dd/MM/yyyy format using JavaScript The entered date is fetched from the TextBox and is tested with the dd//MM/yyyy Date Format Regular Expression (Regex). Once the date is verified, the date is split and converted into a JavaScript Date object.
Is the date mm = 04 a valid date?
If the date is a valid date in the expected format, the function will return true. Otherwise it will return false. The function will check the date range where ‘04/31/2019’ is a wrong date while it validates the date format. But “MM=04” means, the month is April which ends with 30 Days. So “DD=31” is a faulty date.
Which is the correct format for date validation?
Date validation. It is very important to validate the data supplied by the user through a form before you process it. Among various kind of data validation, validation of date is one. 1. dd/mm/yyyy or dd-mm-yyyy format.
Is it possible to use regex for date?
RegEx for date is actually unwieldy and hard to get right especially with leap years and all. For people who needs to validate years earlier than year 1900, following should do the trick.
Is there a regex for DD / MM / YYYY?
You could take the regex that validates YYYY/MM/DD and flip it around to get what you need for DD/MM/YYYY: P.S. This will allow dates such as 31/02/4899
Can a string be used for date validation?
Most of the time, the Date Validation Library doesn’t support String Value for validation. Although some do that, they don’t have the tightly coupled format as a different separator, like “/” and “-”, can be used on the same date.