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  1. How to match, but not capture, part of a regex? - Stack Overflow

    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, …

  2. OR condition in Regex - Stack Overflow

    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 …

  3. Regular expression to stop at first match - Stack Overflow

    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 …

  4. Negative matching using grep (match lines that do not contain foo)

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

  5. How to use multiple cases in Match (switch in other languages) …

    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 …

  6. regexp - Match regular expression (case sensitive) - MATLAB

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

  7. C# Regex Validation Rule using Regex.Match() - Stack Overflow

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

  8. regex - What do 'lazy' and 'greedy' mean in the context of regular ...

    Feb 20, 2010 · 480 means match longest possible string. means match shortest possible string. For example, the greedy matches in but the lazy matches .

  9. Regex - how to tell something NOT to match? - Stack Overflow

    Jun 3, 2010 · How can I create a regex NOT to match something? For example I want to regex to match everything that is NOT the string "www.petroules.com". I tried [^www\.petroules\.com] …

  10. python - Check if string matches pattern - Stack Overflow

    From the docs on re.match: If zero or more characters at the beginning of string match the regular expression pattern. I just spent like 30 minutes trying to understand why I couldn't match …