Special Syntax with Parentheses in Python

Sr.No.	Example & Description
1	R(?#comment) Matches "R". All the rest is a comment
2	R(?i)uby Case-insensitive while matching "uby"
3	R(?i:uby) Same as above
4	rub(?:y\|le)) Group only without creating \1 backreference

Mohd Mohtashim

Updated on: 31-Jan-2020

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