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This article mainly explains "javascript how to match the regular expression of annotations in js", the content of the explanation in the article is simple and clear, easy to learn and understand, now please follow the editor's train of thought slowly in depth, together to study and learn "how javascript matches the regular expression of annotations in js"!

Sometimes we need to remove comments from js to reduce redundancy in the code, and sometimes too many comments lead to large pages.

The annotations are as follows:

one。 Match multiline comment regular expressions:

/ (?: ^ |\ n |\ r)\ s*\ /\ * [\ s\ S] *?\ *\ /\ s* (?:\ r |\ n | $) / g

two。 One-line comment regular expression:

/ (?: ^ |\ n |\ r)\ s* /\ /. * (?:\ r |\ n | $) / g

The above content is introduced here, I hope you will support it in the future.

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