solution/0900-0999/0917.Reverse Only Letters/Solution.ts at main

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solution\0900-0999\0917.Reverse Only Letters\Solution.ts

6 Complexity
6 Complexity / M
0 Duplication
1 Churn
14 Lines
14 Lines of Code
1 Methods
14 LOC / Method

function reverseOnlyLetters(s: string): string {
    const n = s.length;
    let i = 0,
        j = n - 1;
    let ans = [...s];
    while (i < j) {
        while (!/[a-zA-Z]/.test(ans[i]) && i < j) i++;
        while (!/[a-zA-Z]/.test(ans[j]) && i < j) j--;
        [ans[i], ans[j]] = [ans[j], ans[i]];
        i++;
        j--;
    }
    return ans.join('');
}