import re
line = 'setAttr -s 2 ".iog[0].og"'
print( ["{}{}".format(x,y) for x, y in re.findall(r'"([^"\\]*(?:\\.[^"\\]*)*)"|([^\s();]+)', line)] )
aW1wb3J0IHJlCmxpbmUgPSAnc2V0QXR0ciAtcyAyICIuaW9nWzBdLm9nIicKcHJpbnQoIFsie317fSIuZm9ybWF0KHgseSkgZm9yIHgsIHkgaW4gcmUuZmluZGFsbChyJyIoW14iXFxdKig/OlxcLlteIlxcXSopKikifChbXlxzKCk7XSspJywgbGluZSldICk=