What does mean "somethig wrong"? What is the result? Nothing was changed or?
You are replacing selected text - see the dialog. Did you select whole text you want to replace? You are replacing forward, it means from the begin to the end. Is your cursor on the first line? You can try search only, it should mark (find) whole line -- <https://forum.pspad.com/read.php?2,76627,76645> PSPad freeware editor https://www.pspad.com
