How to determine whether the value is a url address in jquery

Jquery method to determine whether the value is a url address: first create an input box and use jquery to register a change event for it; then create a function checkUrl and pass in the url parameter; then write a regular strRegex in the function to detect the correctness of the url. ;Finally, use the test method to detect the url parameters.

How jquery determines whether a value is a url address:

Use the test() method to detect url parameters That’s it.

Note: Only important code is written

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