Validating data in javascript

The validation succeeds only if the user input matches the pattern.

Regular expressions let you check input text for a wide variety of custom conditions for which the input must follow a specific pattern.

validating data in javascript-57validating data in javascript-7validating data in javascript-55validating data in javascript-28

This API consists of a set of methods and properties available on each form element.

For example, use two backslash characters (\) to represent a backslash character.

The following rules govern regular expressions that match a single character: th parenthesized subexpression.

Form validation helps us achieve these goals — this article tells you what you need to know.

This is called form validation — when you enter data the web application checks it to see if it is correct.

Leave a Reply