I’m crawling reviews from a website in scrapy python and want to get all the reviews from the following part of the raw html as a dictionary. Getting the window.cj.listings is no problem, but I can’t seem to get the window.cj.app_data out with regex. The following code works for getting the listin…
Tag: regex
How to append something to the beginning of Regex matches?
This is the regex code: It returns me the output of each URL which doesn’t have the https header in front. For example: For this, I want to append “https://example.com” in the beginning. I don’t want a for loop, is there any efficient way of doing it using re.sub? Answer You may use th…
Extract names of a sentence with regex
I’m very new with the syntax of regex, I already read some about the libary. I’m trying extract names from a simple sentence, but I found myself in trouble, below I show a exemple of what I’ve done. Anyone can explain me what is wrong and how to proceed? Answer I think your regex has two pro…
Regex: allow comma-separated strings, including characters and non-characters
I’m finding it difficult to complete this regex. The following regex checks for the validity of comma-separated strings: ^(w+)(,s*w+)*$ So, this will match the following comma-separated strings: Then, I can do the same for non-characters, using ^(W+)(,s*W+)*$, which will match: I would like to create a …
Grouping speaker dialogue in a written transcript
I have a txt file for a transcript. Example content: I would like to write some python code that will give the following output: So if Travis de Ronde is talking, for example, I want all of his dialogue to be on one “line” under his name until he is finished speaking or another speaker begins talk…
Walrus operator for filtering regex searches in list comprehension
I have a Python list of strings. I want to do the regex search on each element, filtering only those elements where I managed to capture the regex group. I think I can do the regex search only once using the walrus operator from Python 3.8. So far I have: The logic is: I take the found group if the
groupdict in regex
I have the following string: I wrote a regex for this which will find the first-name and last-name of user: Result: Sometimes, I don’t get the last name. At that time, my regex fails. Can any one have any idea regarding this? Answer You may use See the regex demo Regex details ^ – start of string …
Get rid of default text
I am trying to parse a user’s event descriptions after obtaining access to their google calendar through the google calendar API. When I input the description into my program, I want to get rid of default (and useless) text such as Zoom meeting invitations. If the following below is the description stri…
Can I perform a left join/merge between two dataframes using regular expressions with pandas?
I am trying to perform a left merge using regular expressions in Python that can handle many-to-many relationships. Example: Answer You can use create a custom function to find all the matching indexes of both the data frames then extract those indexes and use pd.concat. Timeit results
Python regex function to arrange key:value in descending order. Wherein the key is alphanumeric and the value is digits
Say I have a column which has values like: I would like the piece of code that I am working on to return: I’m trying to get the code to sort this key-value pair based on the value of the item in descending order This is the code I have written as of now, but it’s sorting based on the