Validating textbox javascript

The password must have at least one of each of the following: an uppercase letter, a lowercase letter, and a number. If the password is invalid, the browser displays a message box.If the password is valid, it redisplays the page with a brief success message.My problem is that when an user selects date and press submit,the date chosen by the user should get validated client side.The date should not be equal or greater than the current date.So that user can understand which input field(s) input needs to fix at a glance.

Thus I am trying to give you a complete example with the code so that you can perform Only Character Validation in Javascript for HTML Input Text Box Using Regular Expression.Please use our comment section to describe your validation problem with others.Or if you have any other solution please share those with our readers through comment.This is the case where we should consider Only Character Validation in Javascript for HTML Input Text Box Using Regular Expression.To do this, let’s say we have an HTML form like below: Now if we want to do Only Character Validation in Javascript for the above HTML Input Text Boxes we have to write a javascript method which will be invoked by the Input Text Boxes onkeydown event.

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