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Tag: regex

Function with two loops

I want to make a function what must have 2 loops: must check that at least 2 characters (letters) are inserted if the two characters are in the form that the variable must receive at the end, the variable receives the correct orthographic form. Here is my code (but it throws me in infinite loop) [Please be indulgent im a

regex find first occurance beginning from end of the line

I have this string How would I go on about matching from the last occurance of start to the end of the line? I tried to do this with a negative lookahead but I would always get the first occurance: (?!$)\nstart[sS]*?$ Expecting match to be characters: 164-219 Answer You can use See the regex demo. Details: (?ms) – the .

How to match “cc dd” that doesn’t start with “aa”

I want to match cc dd that doesn’t start with aa Result: Current Result: I want .. Answer With re, it won’t be possible to achieve what you need because you expect multiple occurrences per string that will be replaced later, and you need a variable-width lookbehind pattern support (not available in re). You need to install the PyPi regex

Regex XML Selection Extract Element

I am trying make a regex selection starting from BYPASS 0 0 0 up to and including the section where it says WAK 0 0 Here is what I have (?s)(?=BYPASS).*?(WAK….) I think my syntax for python use is incorrect also here is how I use it in python script re.split(r'(?s)(?=BYPASS).*?(WAK….)’, r) I believe this is causing the problem for

Regex to split text based on a sentence pattern

I have a text that looks something like: ‘19:54:12 From X to Y: some text after 21:08:15 From A to B:another text’ I want to split the text based on the 19:54:12 From X to Y: sentence pattern. Ideally the result would look something like this [‘19:54:12 From X to Y:’, ‘ some text after’, ‘21:08:15 From A to B:’,

capture pattern_X repeatedly, then capture pattern_Y once, then repeat until EOS

[update:] Accepted answer suggests, this can not be done with the python re library in one step. If you know otherwise, please comment. I’m reverse-engineering a massive ETL pipeline, I’d like to extract the full data lineage from stored procedures and views. I’m struggling with the following regexp. TLDR: I’d like to capture from a string like where a,b,e,f,h match

Regex – How to account for random spacing/line breaks in a term

I am using Python and have the following regular expression to extract text from text files: My issue is specifically with the last term, “Pursuant to the requirements of the Securities Exchange Act of 1934”. In the text files, this sentence is sometimes spaced randomly and starts different parts of the sentence on new lines. How do I account for

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