Even if you try with several input_text in all cases it is limited (at most) to capture the first 2 matches, but not all the occurrences that actually exist This should be the correct output, that is, when it succeeds in identifying all occurrences and not just the first 2 matches. It’s quite curious be…
Tag: regex
Regex : split on ‘.’ but not in substrings like “J.K. Rowling”
I am looking for names of books and authors in a bunch of texts, like: Right now I am using the following code to split the text on separators like this: Even if there are false positive (like ‘that’s it by the way’) my main problem is with authors that are cut when written as initials, whic…
Capture substring and send it to a function that modifies it and can replace it in this string
Incorrect output that I am getting, because if I incorrectly capture the substrings, the replacements will also be incorrect Having well-defined limits, I don’t understand why this capture pattern try to capture beyond them? And the output that I need is that: Answer There are several errors in your cod…
Set alphanumeric regex pattern not accepting certain specific symbols
I need to set in the variable some_text a pattern that identify any alphanumeric substrings (that could possibly contain symbols included, such as : , $, #, &, ?, ¿, !, ¡, |, °, , , ., (, ), ], [, }, { ), and with the possibility of containing uppercase and lowercase characters, but the only symbols that …
Extract all matches unless string contains
I am using the re package’s re.findall to extract terms from strings. How can I make a regex to say capture these matches unless you see this substring (in this case the substring “fake”). I attempted this via a anchored look-ahead solution. Current Output: Desired Output I could accomplish …
how to define selection condition in regex in python
I am having a string in which some binary numbers are mentioned. I want to count number of occurrence of given pattern, but I want set my pattern above 7 digits of character, so the result should show only more than 7 characters. it means how I can set my pattern selection, so it should count only 7 digits an…
split on delimeter and ignore a pattern
I would like to split a string based on a delimiter and ignore a particular pattern. I have lines in a text file that look like so I would like to split on “|” but ignore 0 and 567 and grab the rest. i.e whenever I split, its grabbing the two numbers as well. now numbers can occur in other
Reinstate lost leading zeroes in Python list
I have a list of geographical postcodes that take the format xxxx (a string of numbers). However, in the process of gathering and treating the data, the leading zero has been lost in cases where the postcode begins with ‘0’. I need to reinstate the leading ‘0’ in such cases. Postcodes …
how to have re.sub work for multiple pattern replace on list of list?
I have a list of list input- old_list: my desired output – new_list: and I have tried 1. and replace(new_list, old, new) for … but none of them works, the output is the same as the original old_list. Any suggestions? Thanks! Answer You need to use output of each iteration as input for a next itera…
Regex removes certain words from my string – Python
The below code is to lookup a dictionary and replace string with values corresponding to dict’s key. Can someone help me understand why my code omits certain words? It removes lh preceeded and followed with a . i.e., lh. and .lh. How to overcome this? I get the output left hand l.h. -left hand- l.h plh …