| InStr | Returns the position of the first occurrence of one string within another. The search begins at the first character of the string. |
| InStrRev | Returns the position of the first occurrence of one string within another. The search begins at the last character of the string. |
| Left | Returns a specified number of characters from the left side of a string |
| Len | Returns the number of characters in a string |
| LTrim | Removes spaces on the left side of a string |
| RTrim | Removes spaces on the right side of a string |
| Trim | Removes spaces on both the left and the right side of a string |
| Mid | Returns a specified number of characters from a string |
| Replace | Replaces a specified part of a string with another string for a specified number of times |
| Right | Returns a specified number of characters from the right side of a string |
| Space | Returns a string that consists of a specified number of spaces |
| StrComp | Compares two strings and returns a value that represents the result of the comparison |
| StrReverse | Reverses a string |
| LCase | Converts a specified string to lowercase |
| UCase | Converts a specified string to uppercase |