| 1. | uses substrings to replace all the vowels in a string entered by the user with asterisks: | | |
| 2. | SubString Demo | |  |
| 3. | Getting a substring from a String | | |
| 4. | Check if String Contains another String | | |
| 5. | Remove a character at a specified position using String.substring | | |
| 6. | Substrings First occurrence | | |
| 7. | Last occurrence of a substring | | |
| 8. | Find the first index of any of a set of potential substrings. | | |
| 9. | Find the latest index of any of a set of potential substrings. | | |
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| 10. | Gets the substring after the first occurrence of a separator. The separator is not returned. | | |
| 11. | Gets the substring after the last occurrence of a separator. The separator is not returned. | | |
| 12. | Gets the substring before the first occurrence of a separator. The separator is not returned. | | |
| 13. | Gets the substring before the last occurrence of a separator. The separator is not returned. | | |
| 14. | Overlays part of a String with another String. | | |
| 15. | Gets len characters from the middle of a String. | | |
| 16. | Gets the String that is nested in between two Strings. Only the first match is returned. | | |
| 17. | Gets the String that is nested in between two instances of the same String. | | |
| 18. | Gets a substring from the specified String avoiding exceptions | | |
| 19. | Count the number of instances of substring within a string | | |
| 20. | Counts how many times the substring appears in the larger String. | | |
| 21. | Return a slice (substring) of the passed in value, optionally trimmed. | | |
| 22. | Returns an array of strings that contains all strings given by the first and second string array. | | |
| 23. | Returns a string that contains all given strings concatenated and separated by the specified separator. | | |
| 24. | Returns all elements of string array in a new array from index start up to index end (inclusive). | | |
| 25. | Returns all elements of string array from in a new array from index start up to index end (inclusive). | | |
| 26. | Returns the portion of the given string that comes before the last occurance of the specified separator. | | |
| 27. | Returns the portion of the given string that stands after the last occurance of the specified separator. | | |
| 28. | Returns a title-cased version of the specified word | | |
| 29. | Longest Starting Match | | |