Program List - Strings

1. Print string character by character
2. Calculate length of the string without using library functions
3. Count uppercase and lowercase characters in a string
4. Count various types of characters in a string
5. Count total number of words in a sentence
6. print all vowels and consonants characters separately
7. Convert string in uppercase to lowercase without using library function
8. Convert string in lowercase to uppercase without using library function
9. Toggle case of all characters of string
10. Frequency of a character in a sting
11. Find frequency of all characters in a string
12. Find maximum occurring character in a sentence
13. Find minimum occurring character in a sentence
14. Find first occurrence of a character in the string
15. Find last occurrence of a character in the string
16. Print all the indexes of a particular character in a string
17. Find the first capital letter in a given string
18. Find the first small letter in a given string
19. Split a string into words
20. Find first occurrence of a word in a string
21. Find last occurrence of a word in a string
22. Search all occurrences of a word in a string
23. Find the frequency of all words in a string
24. Print the length of each word in a string
25. Find the largest and smallest word in a string
26. Extract substring from a string
27. Substring is present in a string or not
28. Find the first occurrence of a substring in a string
29. Find all occurrences of a substring in a string
30. Swap two strings
31. Swap two strings using pointers
32. Sort the words in a sentence
33. Sort characters of a string
34. Insert character at a location in a string
35. Insert word at a location in a string
36. Insert sub-string at a position
37. Delete character from a particular index from the string
38. Delete first occurrence of character from the string
39. Delete last occurrence of character from the string
40. Delete all occurrences of character from the string
41. Remove all vowels from a string
42. Remove all alphabets from an alphanumeric string
43. Remove all spaces from a given string
44. Trim leading white space characters from given string
45. Trim trailing white space characters from given string
46. Trim both leading and trailing white space characters from given string
47. Remove all extra blank spaces from given string
48. Remove all characters in a string except alphabet
49. Remove all duplicate characters in a string
50. Remove first character of each word from a string
51. Remove all characters in first string which are present in second string