Regular expression for validating web site url

First, let’s start by building the webpage and the validation code then we will talk about the regular expressions used to validate the strings.

Through a list of examples , we will build a script to validate phone numbers , UK postal codes, along with more examples.

For example if some one types my [email protected] then even though I have typed some garbage immediately after .com, its not catching the error. It seems the Regular Expression Validator does not let you check for an empty field.

As I understand it, it doesn't actually run the regular expression validation until there has been something submitted to run the regular expression across.

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.

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right now i am using this expression \.) [\w-] (/[\w- ./? which validates url like .. i want a expression which also validate or allows net i.e wiht out ( this dint work it gave a java script error and was not validating the url the rg i am using is \.) [\w-] (/[\w- ./? i solved my problem by placing a or sign i.e ( \.) [\w-] (/[\w- ./? If a user enters a wrong email it is working fine (like someone,, [email protected]). Because of international country extensions) And it will save the "more.words" part in the Groups property of the Match in in...

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