Regex Cheat Sheet
It seems that many people have a basic understanding of how a regular expressions works. Lots of people will ask me, and probably many of you, for help in writing regular expressions. A lot of these people have a basic idea of what they need when it is a simple regex. I would like to point those people towards a regular expression cheat sheet. Many people ask for regular expressions and can say what they are looking for in a regular expression. They will say something like:
<2 to 4 letters><optional space or dash><5 digits><optional space or dash><3 digits>
matching the following:
CS 10051 001
not matching the following:
A 10051 001
From this simple description and a regex cheat sheet a basic regex can be made. There are obviously other considerations like the context of the strings, but a lot of people can state this much information. This makes creating the regex easy, and a lot more people should go and get some basic resources and learn to write regular expressions. You will be glad you did.
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