Using regular expressions to filter a given substring from a full string

Question

Objective

The goal is to extract the substrings TEST_CASE and RESULT from the string | TEST_CASE | RESULT | using regular expressions.

A possible solution

As an example [^\s*|] selects only the first character.

Question

What are examples of regular expressions that would extract the required substrings?

I am revising all my past questions to make them useful to the community. I also added feedback below to the answers. — nightmarish
– nightmarish, Commented Apr 24, 2022 at 20:32

R.A. Lucas · Accepted Answer · 2018-11-16 04:05:59Z

2

I believe that this should do it: /[^\s\|]+/g and use the g global flag.

answered Nov 16, 2018 at 4:05

R.A. Lucas

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The fourth bird · Accepted Answer · 2018-11-16 17:47:43Z

2

You should use a quantifier to repeat the character class one or more times like [^\s|]+

A negated character class matches not what you have listed in the character class and is kind of a broad match.

Another option is to be specific about what you do want to match. If you only want to match uppercase characters and an underscore, you could use [A-Z_]+ or match 1+ times a word character \w+

answered Nov 16, 2018 at 17:47

The fourth bird

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