Sep 4, 2015 · I have a string. Let's call it 'test'. I want to test a match for this string, but only using the backref of a regex. Can I do something like this: import re for line in f.readlines(): if '&...

Apr 3, 2012 · In python, how to check if a date is valid? Asked 13 years, 8 months ago Modified 1 year, 9 months ago Viewed 155k times

Jun 17, 2020 · I am new to Pytest in python . I am facing a tricky scenario where I need to test for exit codes - exit(1) and exit(0) , using Pytest module. Below is the python program : def sample_script(): ...

May 12, 2017 · How to test a variable is null in python [duplicate] Asked 8 years, 7 months ago Modified 7 years, 10 months ago Viewed 465k times

May 9, 2009 · I want to check if a variable exists. Now I'm doing something like this: try: myVar except NameError: # Do something. Are there other ways without exceptions?

Jun 1, 2013 · I have a python method which accepts a date input as a string. How do I add a validation to make sure the date string being passed to the method is in the ffg. format:

I want to see if I can access an online API, but for that, I need to have Internet access. How can I see if there's a connection available and active using Python?

Is there a way to debug a regular expression in Python? And I'm not referring to the process of trying and trying till they work :) Here is how regexes can be debugged in Perl: use re 'debug'; my ...

Apr 2, 2014 · Testing regexes in Python using py.test Asked 11 years, 8 months ago Modified 11 years, 8 months ago Viewed 19k times

Test if an internet connection is present in python Asked 11 years, 11 months ago Modified 2 years, 3 months ago Viewed 121k times