Nested substitution of regular Grammar in JavaScript

This article mainly introduces "nesting substitution of regular grammar in JavaScript". In daily operation, I believe that many people have doubts about the nesting replacement of regular grammar in JavaScript. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "nesting substitution of regular grammar in JavaScript". Next, please follow the editor to study!

The copy code is as follows:

Medium. In between

Replace them with?

Thinking

One of the difficulties of this problem is that the regular features supported by JavaScript are really limited. The landlord has thought of a non-JavaScript solution, as follows:

The copy code is as follows:

Re=/ (? [\ s\ S] *? / I

Var wrapper_result=str.split (patt)

Var inner_result = str.match (/] * > [\ s\ S] *? / ig)

Var len=inner_result.length

Var final=wrapper_result [0]

For (iTuno; I