# 2.1 String

- [String](/code-interview-note/2.1-string/string.md)
- [Palindrome](/code-interview-note/2.1-string/palindrome-partition.md)
- [Parentheses](/code-interview-note/2.1-string/parentheses.md): check if valid, 須考慮 ')' 在開頭的情況, 遞歸時也要考慮 ’(‘ 個數大於 ’)' 個數
- [Decode String](/code-interview-note/2.1-string/decode-string.md)
- [Calculator](/code-interview-note/2.1-string/calculator.md)
- [Abbreviation](/code-interview-note/2.1-string/abbreviation.md)
