I want to check if the input received is url using REGEX. How can i do it ? Is there any standard REGEX available that works for checking url?
my requirement is to check if the input text is a url or not, but not if the text contains a url.
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stackoverflow.com/questions/161738/…plsgogame– plsgogame2013-12-23 11:15:04 +00:00Commented Dec 23, 2013 at 11:15
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2 Answers
you can check without regex in android
android.util.Patterns.WEB_URL.matcher(linkUrl).matches();
I would strongly recommend not using a Regex in this situation as there are a lot of different cases that can constitute a valid URL (see the top voted answer to this question for an example of an RFC valid regex). If working on Android I would recommend using the Uri class;
String urlToValidate = "http://google.co.uk/search";
Uri uri = Uri.parse(urlToValidate);
You can then look at the different parts of the URL to ensure that you are willing to accept the URL input. For example;
uri.getScheme(); // Returns "http", if you only want an HTTP url
uri.getHost(); // Returns "google.co.uk", if you only want a specific domain
uri.getPath(); // Returns "/search"
