The Find and Replace dialog boxes, (EDIT=>FIND/REPLACE), are used to find and replace text within the circuit file editor window.
| Button | Description |
| Find What | Enter the string you wish to search for. |
| Replace With | When doing a Find/Replace, this string will replace any string that is found. |
| Match Whole Word Only | Checking this box will cause DR. SPICE to match only those strings which are not substrings. |
| Match Case | Checking this box will cause DR. SPICE to match the case of the Find string. |
| Find Next | Find the next string within the circuit. |
| Replace | Replace the currently found string with the Replace string. |
| Replace All | Replace each occurrence of Find string within the circuit file with Replace string. |
| Direction Up | Search through the circuit file from the present cursor position to the top of the file. |
| Direction Down | Search through the circuit file from the present cursor position to the bottom of the file. |