Is a url valid

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Charly
Charly on 28 Jul 2014
Commented: Image Analyst on 29 Jul 2014
Hello,
I'd like to know if a url is valid or not.
For example :
- http://www.fkhzfziufhzoij.com is not valid
- http://www.mathworks.fr is valid
Do you think it's possible ? thank you

Accepted Answer

Geoff Hayes
Geoff Hayes on 28 Jul 2014
The documentation for urlread indicates that you could use the status output variable to indicate if the operation is successful or not.
For your two examples,
[str,status] = urlread('http://www.fkhzfziufhzoij.com');
returns an empty str and status==0.
Whereas,
[str,status] = urlread('http://www.mathworks.fr');
returns the HTML for the page in str and status==1.
  3 Comments
Geoff Hayes
Geoff Hayes on 29 Jul 2014
Are you copying the lines of code exactly as above? What does str return for each? If you paste just the URL into your internet browser, what happens?
Image Analyst
Image Analyst on 29 Jul 2014
I get the same results as Geoff. Can you see anything in your web browser? Maybe it's some firewall issue???

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