| 1. | Checks whether the character is ASCII 7 bit. | | |
| 2. | Checks whether the character is ASCII 7 bit printable. | | |
| 3. | Checks whether the character is ASCII 7 bit control. | | |
| 4. | Checks whether the character is ASCII 7 bit alphabetic. | | |
| 5. | Checks whether the character is ASCII 7 bit alphabetic upper case. | | |
| 6. | Checks whether the character is ASCII 7 bit alphabetic lower case. | | |
| 7. | Checks whether the character is ASCII 7 bit numeric. | | |
| 8. | Checks whether the character is ASCII 7 bit numeric and character. | | |
| 9. | Allow text containing mostly ASCII characters to be decipherable on an ASCII terminal without decoding. | | |
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| 10. | Removes control characters (char <= 32) from both ends returning null if the String is empty ("") after the trim or if it is null | | |
| 11. | Removes control characters (char <= 32) from both ends returning an empty String ("") if the String is empty ("") after the trim or if it is null. | | |
| 12. | Get 7-bit ASCII character array from input String. | | |
| 13. | Test if the character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | | |
| 14. | Test if the current character is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | | |
| 15. | Test if the current character is a new line. | | |
| 16. | Test if the current character is a space. | | |
| 17. | Test if the current character is an Alpha character : <alpha> ::= [0x41-0x5A] | [0x61-0x7A] | | |
| 18. | Test if the current character is an Ident character | | |
| 19. | Test if the current character is equal to a specific character. | | |
| 20. | Test if the current string is a digit <digit> ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | | |
| 21. | Removes spaces (char <= 32) from both start and ends of this bytes array | | |
| 22. | Removes spaces (char <= 32) from end of this String with escape, handling null by returning null | | |
| 23. | Removes spaces (char <= 32) from end of this String, handling null by returning null | | |
| 24. | Removes spaces (char <= 32) from end of this array by index, handling null by returning null | | |
| 25. | Removes spaces (char <= 32) from end of this array ny position, handling null by returning null | | |
| 26. | Removes spaces (char <= 32) from end of this array, handling null by returning null | | |
| 27. | Removes spaces (char <= 32) from start of this String, handling null by returning null | | |
| 28. | Removes spaces (char <= 32) from start of this array, handling null by returning null | | |
| 29. | Thansform an array of ASCII bytes to a string. the byte array should contains only values in [0, 127]. | | |