String

1.  String - Data Structure or Data Type?
2. String Operations
• Comparison
• Sorting
• Concatenation
3. Practice Problems
• Reverse A String ( Blue Sky -> ykS eulB )
• Reverse String Word By Word ( Blue Sky -> eulB ykS )
• Print Words of String in Reverse ( Blue Sky -> Sky Blue )
• Find Missing Alphabets In Sentence (Pangram)
• Find Length Of String Without Using Length Function
• Verify String is Palindrome or Not
• Count Occurrences of Each Character in a String
• Find Duplicate Characters In A String
• Find First Repeated Word
• Find All Repeated Words In Text File And Their Occurrences
• Replace SubString
• Check If Two Strings Are Anagram
• Trim Multiple Spaces From A String
• Sort List of Strings
• Remove All Vowels From String
• Remove Junk/Special Characters from String
• Find Position Of Character In String
• Find Words That Can Be Formed by Characters
• Check if strings are rotations of each other or not
• Given String is a valid shuffle of two strings or not
• Given string is shuffled substring of another string
• Count and Say / count-and-say / look-and-say sequence
• Longest Palindrome SubString
• Print all subsequences of a string
• Find The Longest Substring Without Repeating Characters
• Find The Longest Substring Of A Given String Containing K Distinct Characters
• Split the binary string into substrings with equal number of 0s and 1s
• Parenthesis Checker / Balanced Brackets
• Minimum number of bracket reversals needed to make an expression balanced
• Minimum number of swaps for bracket balancing
• Convert a Sentence into its equivalent mobile numeric keypad sequence
• Count All Palindromic Subsequence in a given String
• Search a Word in a 2D Grid of characters
• Count of number of given string in 2D character array
• Converting Roman Numerals to Decimal
• Longest Common Prefix
• Number of flips to make binary string alternate
• Find the first repeated word in string
• Generate all possible valid IP addresses from given  string
• Rearrange characters in a string such that no two adjacent are same
• Minimum characters to be added at front to make string palindrome
•  Group Anagrams / Given a sequence of words, print all anagrams together
• Find the smallest window that contains all characters of string
• Find the smallest window in a string containing all characters of another string
• Recursively remove all adjacent duplicates
• String matching where one string contains wildcard characters
• Find Number of customers who could not get a computer
• Transform One String to Another using Minimum Number of Given Operation
• Check if Two given Strings are Isomorphic to each other
• Recursively print all sentences that can be formed from list of word lists