| GT_ASCIISUM() | Sum the ascii values in a string. |
| GT_ASCPOS() | Return the ascii value of a specified character in a string |
| GT_ATDIFF() | Return the position where two strings begin to differ |
| GT_CHAREVEN() | Return a string of all the characters in even positions |
| GT_CHARMIX() | Amalgamate two strings to form the return value |
| GT_CHARODD() | Return a string of all the characters in odd positions |
| GT_CHRCOUNT() | Count the number of times a character appears in a string |
| GT_CHRFIRST() | Find which character occurs first in a string |
| GT_CHRTOTAL() | Find number of times a set of characters appears in a string |
| GT_STRCOUNT() | Count the number of times a substring appears in a string |
| GT_STRCSPN() | Return length of prefix in string of chars NOT in set. |
| GT_STRDIFF() | Return a string where it begins to differ from another |
| GT_STREXPAND() | Insert fillers between characters in a passed string |
| GT_STRLEFT() | Find length of prefix of a string |
| GT_STRPBRK() | Return string after 1st char from a set |
| GT_STRRIGHT() | Find length of a suffix of a string |
| StrFormat() | Format a string |