jquery - How should I use the RegExp to get my want in javascript? -

i tried 3 hours. face problem using javascript regexp.

i have string below

var str = 'test123↵↵http://www.youtube.com/watch?v=6w89smj25ni'; 

i use regexp url match, want other text except url.

var match = 'https://www.youtube.com/watch?v=6w89smj25ni'; var str = 'test123↵http://www.youtube.com/watch?v=6w89smj25ni'; var str2 = 'test123↵↵';  function checkstringcontainurl(s) {   var re =  new regexp("([a-za-z0-9]+://)?([a-za-z0-9_]+:[a-za-z0-9_]+@)?([a-za-z0-9.-]+\\.[a-za-z]{2,4})(:[0-9]+)?(/.*)?");   if(re.test(s)) {     console.log("url inside");     console.log(re.exec(s)[1] + re.exec(s)[3] + re.exec(s)[5]);      // want console 'test123↵↵'    } else {     console.log('no url inside');   } }  function checklink(match) {   var re = /https?:\/\/(?:[0-9a-z-]+\.)?(?:youtu\.be\/|youtube(?:-nocookie)?\.com\s*[^\w\s-])([\w-]{11})(?=[^\w-]|$)(?![?=&+%\w.-]*(?:['"][^<>]*>|<\/a>))[?=&+%\w.-]*/ig;   var m = re.exec(match);     console.log(m[1]); }  //checklink(match); checkstringcontainurl(str); 

jsfiddle

how about, once you've isolated url, replacing '' in text?

e.g.:

var url = re.exec(s)[1] + re.exec(s)[3] + re.exec(s)[5] console.log(s.replace(url,''));