Sorry, it took me a while to find the time to work on this
You need PythonScript and 32bit Notepad++ for this to work. You can download PythonScript here
# https://notepad-plus-plus.org/community/topic/15485/increase-decrease-all-highlighted-x-or-y-coordinates # Will prompt for which column (allows x, y, w, h) and how much to add or subtract (requires a number) # Will then do the search/replace over the whole file DEBUG = False def delt_1(m): global addend this = m.group(1) if DEBUG: console.write("matched '") console.write(this) console.write("'\t") r = str(addend + int(this)) if DEBUG: console.write("return: '" + r + "'") console.write("\n") return r #################################################### if DEBUG: console.show() if DEBUG: console.clear() column = None while column != "x" and column != "y" and column != "w" and column != "h": column = notepad.prompt("Which column [x y w h]?", "Choose column", "y") addend = None while addend == None: direction = notepad.prompt("Number to add (negative for subtraction)", "Choose delta", "1") try: addend = int( direction ) except: addend = None if DEBUG: console.write("column: " + column + "\n") console.write("addend: " + str(addend) + "\n") pattern = "((?<=\s{0})\\d+)".format( column ) if DEBUG: console.writeError(pattern + "\n") editor.beginUndoAction() editor.rereplace(pattern , delt_1) editor.endUndoAction()