freeCodeCamp Challenge Guide: Specify Upper and Lower Number of Matches

Specify Upper and Lower Number of Matches


Problem Explanation

Remember /a{2,4}/ will return true as long as there are between two to four a’s together. It will return true for any string that has more than four a’s together as well.

All these strings will return true:

let threeAs = "aaa";
let fourAs = "aaaa";
let sevenAs = "aaaaaaa";

let myRegex = /a{2,4}/;
myRegex.test(threeAs); // true
myRegex.test(fourAs); // true
myRegex.test(sevenAs); // true

Hints

Hint 1

Remember to use \s after Oh{3,6} to include a white space, followed by no to pass all test cases. All test cases are written using a capital O, however the testcases could also be passed by using ignore-case : /oh{3,6}\sno/i


Solutions

Solution 1 (Click to Show/Hide)
let ohStr = "Ohhh no";
let ohRegex = /Oh{3,6}\sno/; // Change this line
let result = ohRegex.test(ohStr);
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