On Wed, Dec 1, 2021 at 7:35 PM Abdulla Al Kathiri <alkathiri.abdu...@gmail.com> wrote: > > > Sometimes when I do complicated regular expressions, I like to divide the > patterns from a big pattern to small patterns until I reach what I want. re > module functions take the text as a second argument. Furthermore, you can’t > pass the Match object directly, you need to extract the group/text from it. > If we have a placeholder for the passed argument, we could do both 1) put it > wherever we want, not necessarily first 2) further manipulate it so it > becomes a valid argument > > number = text -> re.search(pattern1, _) > -> re.search(pattern2, _.group(0)) > -> re.search(pattern3, _.group(1)) > -> float(_.group(0)) > > Yeah that can look ugly I agree (here intentionally the placeholder is > overused). But the person can still write a flowing chained operation if they > want or if it’s easier for them to understand. Or just do it the traditional > way … > > text1 = re.search(pattern1, text).group(0) > text2 = re.search(pattern2, text1).group(1) > text3 = re.search(pattern3, text2).group(0) > number = float(text3) >
Yep, that would definitely be the cleaner way to do it. Not everything feels like a pipeline. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/KYOIUKMBUCTHXSD4X7D3B22OKCDDMGTP/ Code of Conduct: http://python.org/psf/codeofconduct/
