The following table provides a summary of the AutoLISP Express Tools string functions.
| String functions | Platforms | |||||
|---|---|---|---|---|---|---|
| Windows | Mac OS | Web | ||||
| Function | Description | AutoCAD | AutoCAD LT | AutoCAD | AutoCAD LT | AutoCAD | 
| Compares for sort order | ✓ | -- | -- | -- | -- | |
| Compares strings for equality | ✓ | -- | -- | -- | -- | |
| Finds a substring in string | ✓ | -- | -- | -- | -- | |
| Formats a message with embedded arguments | ✓ | -- | -- | -- | -- | |
| (acet-str-replace find replace string [ignoreCase [useRegExp [count]]]) | Replaces one substring with another | ✓ | -- | -- | -- | -- | 
| Performs a wild-card match similar to wcmatch, but allows control over case sensitivity | ✓ | -- | -- | -- | -- | |