The key observation here is that when you have either "apple" or "banana", you must also have the trailing hyphen, but you don't want to match it. And when you're matching the blank string, …

Apr 13, 2013 · For example, ab|de would match either side of the expression. However, for something like your case you might want to use the ? quantifier, which will match the previous …

How do I match all lines not matching a particular pattern using grep? I tried this: grep '[^foo]'

to capture a match between start and the first occurrence of end. Notice how the subexpression with nested parentheses spells out a number of alternatives which between them allow e only …

Oct 20, 2021 · I am trying to use multiple cases in a function similar to the one shown below so that I can be able to execute multiple cases using match cases in python 3.10 def …

Dec 2, 2022 · Match case statement with multiple 'or' conditions in each case Asked 2 years, 11 months ago Modified 1 year, 2 months ago Viewed 37k times

This MATLAB function returns the starting index of each substring of str that matches the character patterns specified by the regular expression.

C# Regex Validation Rule using Regex.Match () Asked 13 years, 10 months ago Modified 6 years, 11 months ago Viewed 167k times

Is there a way in Python to access match groups without explicitly creating a match object (or another way to beautify the example below)? Here is an example to clarify my motivation for …

Oct 15, 2014 · The current formula almost works, but instead of returning the email address where A matched C, it returns the email address from the same row. …