Wechat applet regular expression extraction link

reason ：
Recently, I am developing this small program , For removing watermark , As we all know, interfaces are flooded , Docking with applet , No pressure , It can get a little advertising revenue , It can also be used as a tool for yourself , Input / After pasting the link , You can extract waterless video , Then save it on your phone

problem
By copying the link of the video software, you will get something similar to the following （ It can be seen that it is not pure text ）, Already coded

1.56 SlC:/ 90 year **** Makeup teaching # Archaic style # **** teaching # Classic makeup https://v.*5Q7/ Copy this link , open Search for , Watch the video directly ！

terms of settlement
Through regular expressions ：
1、 New method get_url

   get_url:function(string) {
    
let that=this;
var reg = /(http:\/\/|https:\/\/)((\w|=|\?|\.|\/|&|-)+)/g; if (reg.test(string)) {
     
  return string.match(reg)[0];
} else {
    
  return "";
}
  },

2、 Call

 var new_copy=that.get_url(that.data.copy);
 console.log(new_copy);

effect ：

After complete treatment ：

Okay , That's it