Validating URL patterns in JavaScript using Ajax

Question

Validating URL patterns in JavaScript using Ajax

Below are the ajax urls displayed in a specific format:

http://example.com/v1/graph/startTime=value?endtime=value

http://example.com/v1/graph/startDate=value?enddate=value?startTime=value?endtime=value

I am trying to validate these url patterns using JavaScript. I have applied a regular expression like:

var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;

However, it is giving a true result for http://example.com/v1/machine/machineId and

http://example.com/v1 (this should return false).

Please suggest if there is a way to accurately validate the above URLs

Thank you in advance.

javascript ajax regex

Answer 1

Answer №1

Hey there javalearner, if you have a fixed part of your match as http://www.example.com/v1, you can simplify it with the following code:

if (/http:\/\/example\.com\/v1\/[^\/]+\/[\w=?]+/.test(subject)) {
    // You've got a successful match!
} else {
    // Match attempt unsuccessful
}

If that part is not fixed, consider using this code snippet instead:

if (/(?:https?|ftp):\/\/[a-z\d-]+\.[a-z]{2,6}\/[^\/]+\/[^\/]+\/[\w=?]+/.test(subject)) {
    // Match made successfully
} else {
    // Struggle to match
}

Just a heads up, the {2,6} allows for top level domains with up to 6 letters (like com, net), but feel free to adjust for longer or unrestricted TLDs.

If your string ends with other special characters, include them within the brackets in the [\w=?]+ section.

And remember, for case insensitivity, add an i between the final / delimiter and .test, like this: /i.test

Answer 2

Hey there javalearner, if you have a fixed part of your match as http://www.example.com/v1, you can simplify it with the following code:

if (/http:\/\/example\.com\/v1\/[^\/]+\/[\w=?]+/.test(subject)) {
    // You've got a successful match!
} else {
    // Match attempt unsuccessful
}

If that part is not fixed, consider using this code snippet instead:

if (/(?:https?|ftp):\/\/[a-z\d-]+\.[a-z]{2,6}\/[^\/]+\/[^\/]+\/[\w=?]+/.test(subject)) {
    // Match made successfully
} else {
    // Struggle to match
}

Just a heads up, the {2,6} allows for top level domains with up to 6 letters (like com, net), but feel free to adjust for longer or unrestricted TLDs.

If your string ends with other special characters, include them within the brackets in the [\w=?]+ section.

And remember, for case insensitivity, add an i between the final / delimiter and .test, like this: /i.test

Validating URL patterns in JavaScript using Ajax

Answer №1

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