Python Regex escape operator in substitutions & raw strings
I don’t understand the logic in the functioning of the scape operator in python regex together with r’ of raw strings.
Some help is appreciated.
regex
How to timeout function in python, timeout less than a second
Specification of the problem: I’m searching through really great amount of lines of a log file and I’m distributing those lines to groups in order to regular expressions(RegExses) I have stored using the re.match() function. Unfortunately some of my RegExses are too complicated and Python sometimes gets himself to backtracking hell. Due to this I … Read more
re.sub replace with matched content
Trying to get to grips with regular expressions in Python, I’m trying to output some HTML highlighted in part of a URL. My input is
Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
Regex matching between two strings?
I can’t seem to find a way to extract all comments like in following example.
Replace first occurrence of string in Python
I have some sample string. How can I replace first occurrence of this string in a longer string with empty string?
Reuse part of a Regex pattern
Consider this (very simplified) example string:
How to extract an IP address from an HTML string?
I want to extract an IP address from a string (actually a one-line HTML) using Python.
Re.sub not working for me
I’m trying to get re.sub to replace a pattern specified with a value for example
Python Regex – How to Get Positions and Values of Matches
How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I’d want to get the positions where it finds each letter. Ideally, I’d like to get the text of the match back too.