Options for Python Regular Expressions

Regular expressions can have options (also known as flags) that modify their behavior. Each engine supports a different set of options.

Option	Description	Backend value	Portable value
DEBUG	DEBUG	128	(not portable)
I	IGNORECASE	2	ignorecase
L	LOCALE	4	(not portable)
M	MULTILINE	8	multiline
S	DOTALL	16	dotall
U	UNICODE	32	(not portable)
X	VERBOSE	64	comments