python-re

Why do these two regular expressions work differently with re.sub(), but return the same match with re.search()? Question: Both regex are fetching same match but why does ",([d-]+)" work as expected and not the "(,d*-?d*-?d*)"? I was expecting both regex to give me same output during re.sub(). What am I missing? >>> print(re.search(r",([d-]+)", "Sabrina Green,802-867-5309,System …

re.sub a list of words, ignore case Question: I am trying to add the html <b> element to a list of words in a sentence. After doing some search I got it almost working, except the ignore-case. import re bolds = [‘test’, ‘tested’] # I want to bold these words, ignoring-case text = "Test lorem …

Remove texts that are enclosed in square brackets in Pandas Question: I would like to know how I can go through a column and remove the strings that are between square brackets. Example ‘String [more string]’ after ‘String’ Can anyone help me? I thought about using regular expressions. However, I don’t know how to zoom …

How to get the regex code for words spilted by underscore? Question: i have a problem in my project. WHAT I WANT TO DO ? i need to get all word split by underscore in python code: text = "i.am – M_o_h_a_m_m_e_d – and – _1_5_y_o – name – moh_mmed – 2_8_j – i___a_m" re.findall(r’?????’ …

Extracting specific string format of digits Question: Let us suppose we have text like this : text ="new notebook was sold 8 times before 13:30 in given shop" here we have 3 number presented, one is single digit 8 and last two are two digit numbers, 13,30, main point is , that 13:30 express time, …

How to parse custom operators inside a evaluable python string? Question: Having a formula as a string like: str_forumla = "x > 0 AND y < 5 AND ‘this AND that’ in my_string" Where the python operator "&" have been substituted by "AND" (but the string AND was not affected) how to revert the operation …

Is there a simpler way in python Question: I did the following to get from P13 to {P}{13} import re txt = "P13" x = re.search("[A-T]", txt ) y = re.split("[A-T]", txt ) txt = "{" + x.group() + "}" + "{" + y[1] + "}" It is working and gives what I want. But …

Expression that captures all characters up to a group of characters Question: I have several alerts coming from a DC server, which have the following pattern: alert – name risk score – severity – total The examples of these alerts would be: A member was added to a security-enabled local group 47 medium 2 A …

How to extract span in re.finditer method in python? Question: the results of re.finditer is as below. [i for i in result] =[<re.Match object; span=(0, 10), match=’sin theta ‘>, <re.Match object; span=(12, 18), match=’cos x ‘>, <re.Match object; span=(20, 26), match=’e ^ x ‘>, <re.Match object; span=(26, 32), match=’f( x )’>, <re.Match object; span=(37, 45), …

Removing HTML Tag removes additional words Question: I am working on a data cleaning problem wherein I have a task to remove HTML tags from string while keeping the content of text. Example text for cleanup is given below. I tried removing "pre" tags and somehow i do not get any data. x = ‘<pre>i …