Wait, in non-multiline mode, it only matches _one_ trailing newline? And not any other whitespace, including \r or \r\n? That is indeed surprising behavior. Why

Wait, in non-multiline mode, it only matches _one_ trailing newline? And not any other whitespace, including \r or \r\n? That is indeed surprising behavior. Why? Why not just make it end of string like the author expected? >>> import re >>> bool(re.search('abc$', 'abc')) True >>> bool(re.search('abc$', 'abc\n')) True >>> bool(re.search('abc$', 'abc\n\n')) False >>> bool(re.search('abc$', 'abc ')) False >>> bool(re.search('abc$', 'abc\t')) False >>> bool(re.search('abc$', 'abc\r')) False >>> bool(re.search('abc$', 'abc\r\n')) False