count substrings | JavaScript

December 24th, 2021 07:55:47 PM

					
const countSubstrings = (str, searchValue) => { let count = 0, i = 0; while (true) { const r = str.indexOf(searchValue, i); if (r !== -1) [count, i] = [count + 1, r + 1]; else return count; } }; countSubstrings('tiktok tok tok tik tok tik', 'tik'); // 3 countSubstrings('tutut tut tut', 'tut'); // 4

Featured Posts