Question

How to split a string at the last occurrence of a separator in JavaScript

Answer 1

let str = "java go c javascript c++ python";
 
let pos = str.lastIndexOf("c");
 
let part1 = "", part2 = "";
 
if (pos !== -1) {
    part1 = str.substring(0, pos);
    part2 = str.substring(pos);
}
 
console.log(part1); 
console.log(part2);
 
  
             
   
/*
run:
     
java go c javascript 
c++ python
       
*/
 

 

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