# String

- [x 76. Minimum Window Substring](/top-75-leetcode-questions-to-save-your-time/problems/string/x-76.-minimum-window-substring.md)
- [647. Palindromic Substrings](/top-75-leetcode-questions-to-save-your-time/problems/string/647.-palindromic-substrings.md)
- [x 5. Longest Palindromic Substring](/top-75-leetcode-questions-to-save-your-time/problems/string/x-5.-longest-palindromic-substring.md)
- [125. Valid Palindrome](/top-75-leetcode-questions-to-save-your-time/problems/string/125.-valid-palindrome.md)
- [20. Valid Parentheses](/top-75-leetcode-questions-to-save-your-time/problems/string/20.-valid-parentheses.md)
- [49. Group Anagrams](/top-75-leetcode-questions-to-save-your-time/problems/string/49.-group-anagrams.md)
- [242. Valid Anagram](/top-75-leetcode-questions-to-save-your-time/problems/string/242.-valid-anagram.md)
- [5. Longest Palindromic Substring](/top-75-leetcode-questions-to-save-your-time/problems/string/5.-longest-palindromic-substring.md)
- [3. Longest Substring Without Repeating Characters](/top-75-leetcode-questions-to-save-your-time/problems/string/3.-longest-substring-without-repeating-characters.md)