Validating registration forms using javascript who is daisy la dating

And also after validating using javascript, display proper error message in text box where there is an error. The Java Script provides you the facility to validate the form on the client side so processing will be fast than server-side validation.

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First go to your html file and paste the following code : Here, I have a simple form.Then I used the test function to test my string against the regular expression and print the result in an alert.Now let’s jump to the regular expression itself: UK postal code examples : EC1A 1BB W1A 0AX M1 1AE B33 8TH CR2 6XH DN55 1PT So, 1 or 2 alphabetic characters, followed by 1 or 2 digits, then a space and one digit and exactly two alphabetic characters.Now let’s jump into the fun part which is discussing the regular expression First we have the starting and ending slashes “/” , the expression then starts with a “^” sign to match with the beginning of the string.Notice the [-\s\.] this part matches a hyphen(-) space or a dot (.).[0-9] means 3 digits.

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