Regular expression in Python - why the "\" is required to find a perod
3965
What special characters must be escaped in regular expressions?
132374
using backslash in python (not to escape)
24295
Issue with regex backreference in Python
9141
Why does my regular expression work in X but not in Y?
27902
What is the purpose of the single underscore "_" variable in Python?
28966
Is gcc 4.8 or earlier buggy about regular expressions?
2559
Is there a regular expression to detect a valid regular expression?
151693
What does "{} \;" mean in the find command?
10125
How does this regular expression work?
8669
Regular Expression for password validation
140142
How can I replace a backslash with a double backslash using RegExp?
100808
Using Regular Expressions to Extract a Value in Java
120043
What is the proper use of \@ (i.e., backslash-at)?
101140
How can I find all matches to a regular expression in Python?
156132
Finding parenthesis via regular expression
78438
OR condition in regular expression in perl
73024
PHP regex delimiters, / vs. | vs. {} , what are the differences?