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Regex describing regex pattern?

I am surprised that the answer to this question is not easy to find.

I am making a JSON schema. I have an object, and one of its properties is a string containing a regular expression pattern. This property should only contain a regular expression.

So this question is realistically two questions in one:

What is a regex pattern that describes regex patterns (compatible with javascript)?

Secondly, how to apply this to a JSON schema (in the "pattern" property or even in the "patternProperty" 1 property)?

1 : I have no idea for what purpose you will need to apply this in "patternProperty" , but someone out there might find this useful

NOTE. . Since JSONschema is JSON and JSON is JavaScript, JavaScript scripts can find a solution (on the JSON side of the question), as well as a problem useful in their scripts.

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1 answer

Rexes can have nested parentheses.

Therefore, they are not described by a regular expression. Unfortunately.

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Source: https://habr.com/ru/post/1493291/

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