Question

How to split a string by last dot in TypeScript

Answer 1

const str = '3.1415.926.53589.79323.846.264338.3279';
 
const lastIndex = str.lastIndexOf('.');
 
const before = str.slice(0, lastIndex);
console.log(before); 
 
const after = str.slice(lastIndex + 1);
console.log(after); 
 
   
   
   
   
/*
run:
   
"3.1415.926.53589.79323.846.264338" 
"3279" 
   
*/

 

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