String Manipulation and Algorithms Questions

Fundamental string algorithm skills and patterns commonly evaluated in coding interviews. Topics include common string operations and methods, two pointer and sliding window techniques, substring search and pattern matching, palindrome and anagram detection, normalization and case handling, use of regular expressions for parsing and validation, handling unicode and multi byte characters, edge case reasoning, and time and space complexity trade offs. Candidates should be prepared to implement robust solutions, discuss algorithmic complexity, and explain correctness and potential optimizations.