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javascript url check

Phoenix Logan 
function isValidURL(string) {
  var res = string.match(/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/g);
  return (res !== null)
};

var testCase1 = "http://en.wikipedia.org/wiki/Procter_&_Gamble";

alert(isValidURL(testCase1));
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4.5
8
Awgiedawgie 440220 points 

                                    function isValidURL(string) {
  var res = string.match(/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/g);
  return (res !== null)
};

var testCase1 = "http://en.wikipedia.org/wiki/Procter_&_Gamble";
console.log(isValidURL(testCase1)); // return true

var testCase2 = "http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&docid=nIv5rk2GyP3hXM&tbnid=isiOkMe3nCtexM:&ved=0CAUQjRw&url=http%3A%2F%2Fanimalcrossing.wikia.com%2Fwiki%2FLion&ei=ygZXU_2fGKbMsQTf4YLgAQ&bvm=bv.65177938,d.aWc&psig=AFQjCNEpBfKnal9kU7Zu4n7RnEt2nerN4g&ust=1398298682009707";
console.log(isValidURL(testCase2)); // return true

var testCase3 = "https://sdfasd";
console.log(isValidURL(testCase3)); // return false

var testCase4 = "dfdsfdsfdfdsfsdfs";
console.log(isValidURL(testCase4)); // return false

var testCase5 = "magnet:?xt=urn:btih:123";
console.log(isValidURL(testCase5)); // return false

var testCase6 = "https://stackoverflow.com/";
console.log(isValidURL(testCase6)); // return true

var testCase7 = "https://w";
console.log(isValidURL(testCase7)); // return false

var testCase8 = "https://sdfasdp.ppppppppppp";
console.log(isValidURL(testCase8)); // return false

4.5 (8 Votes)
0
4
10
Awgiedawgie 440220 points 

                                    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
  $(document).ready(function() {
    if (window.location.href.indexOf("franky") > -1) {
      alert("your url contains the name franky");
    }
  });
</script>

4 (10 Votes)
0
3.83
6
Awgiedawgie 440220 points 

                                    const isAbsoluteUrl = url => /^[a-z][a-z0-9+.-]*:/.test(url);

// Example
isAbsoluteUrl('https://1loc.dev');          // true
isAbsoluteUrl('https://1loc.dev/foo/bar');  // true
isAbsoluteUrl('1loc.dev');                  // false
isAbsoluteUrl('//1loc.dev');

3.83 (6 Votes)
0
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