I've been trying to figure out what the best way to validate a URL is (specifically in Python) but haven't really been able to find an answer. It seems like there isn't one known way to validate a ...

I'm trying to create a system in which I can validate a string to check if it's a url or not. (https://www.google.com/) I found the flutter package validator but this isn't dart 2 compatible, so w...

I want to check in django if a URL exists and if it does I want to show something on screen, i.e.: if URL_THAT_POINTS_TO_SOME_PDF exists SHOW_SOMETHING

I am making a simple program in visual c# 2005 that looks up a stock symbol on Yahoo! Finance, downloads the historical data, and then plots the price history for the specified ticker symbol. I kn...

Is there a good way to avoid the "host is not resolved" error that crashes an app? Some sort of a way to try connecting to a host ( like a URL ) and see if it's even valid?

Swift 5, Xcode 10, iOS 12 My code uses UIApplication.shared.canOpenURL to validate URLs, which unfortunately fails without e.g. "http://". Example: print(UIApplication.shared.canOpenURL(URL(stri...

I want to check validate URL allowing wildcard in java. I found some nice examples about validating URL in java (REGEX, urlValidator), but those aren't providing the wildcard character. Here's wh...

I have a URL in the form http://www.mywebsite.com/util/conv?a=1&from=%s&to=%s And want to check if it is available. The links redirect me on a bad request page if I try to open these wi...

String[] schemes = {"http","https"}; UrlValidator urlValidator = new UrlValidator(schemes, UrlValidator.ALLOW_ALL_SCHEMES); System.out.println(urlValidator.isValid(myUrl)); the following URL says...

I'm facing an issue that i'm using UrlValidator in my code. UrlValidator urlValidator = UrlValidator.getInstance(); if(urlValidator.isValid(url)) { throw new IllegalArgumentException( url + "not...

i'm using the following to verify if a URL is formatted validly: validates_format_of :website, :with => URI::regexp(%w(http https)) however, it doesn't work when the url doesn't start with ht...

I am trying to avoid XSS attack via url url :http://example.com/onlineArcNew/html/terms_conditions_1.php/%22ns=%22alert%280x0000DC%29 I have tried var_dump(filter_var('http://10.0.4.2/onlineArcNew...

I'm using the Django URLValidator in the following way in a form: def clean_url(self): validate = URLValidator(verify_exists=True) url = self.cleaned_data.get('url') try: logger.info(url) va...

I'd like to validate a field in a form to make sure it contains the proper formatting for a URL linking to a Vimeo video. Below is what I have in Javascript, but I need to convert this over to PHP ...

Possible Duplicate: what is the best way to check if a Url exists in PHP ?` I'm looking for a function that returns TRUE or FALSE in php, either the URL is valid or not. isValidURL($url); ...

I'm currently using the following regular expression to validation URLs: ^(?#Protocol)(?:(?:ht|f)tp(?:s?)\:\/\/|~\/|\/)?(?#Username:Password)(?:\w+:\w+@)? (?#Subdomains)(?:(?:[-\w]+\.)+(?#TopLevel...