JavaScript每次出现时都会拆分一个字符串

Question

JavaScript, How can we split...

Input String: 12:002:204:457:109:40

Output:

12:00
2:20
4:45
7:10
9:40

Answer 1

Use String#match method with regex /\\d{1,2}:\\d{2}/g .

 console.log( '12:002:204:457:109:40'.match(/\\d{1,2}:\\d{2}/g) ) 

---

Regex explanation here.

Answer 2

Using regex:

 '12:002:204:457:109:40'.match(/(\\d+:\\d{2})/g).map(x => console.log(x)) 

(\d+:\d{2})

Debuggex Demo

Further explanation: https://regex101.com/r/vV2wL5/1

Answer 3

Try this.It is giving the exact O/P as per your need.I have tested it using alert(). Change it accordingly.

function aDarnal() {
  var s="12:002:204:457:109:40";
  var len= s.length;
   while(len >1)
   {
    var n = s.indexOf(":")+ 2;
    var x=  s.substr(0,n+1);
    alert(x);
    s=s.substr(n+1);
    len= s.length
   }
 }