this post was submitted on 05 Oct 2024
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Because there's non-programmers in this community, if you aren't sure what this means but are too afraid to ask, it's a Regular Expression that better represents the terms "Linux" and "Unix."
Though if we're going to be that pedantic, it would be
[nN][uiI][xX]$. That extra pipe wouldn't actually do anything in the last example, because regexp picks one character from the set by default.And if we want to be really pedantic,
Would be the most accurate.
Edit: based on comments, I think...
...would be the best. Then you don't wind up with weird matches with things like
UNiX.All that effort, when you could've just called it LUNIX.
By the way, does this expression match LUNIX? But if so, won't it also match Binux or Bunix?
Yep, it would match LUNIX and Binux, but it would not match Bunix because of the negative lookahead.