Question

how do I explain this and what does it mean.

[]data=clearformula.split("(?<=[-+*/])|(?=[-+/])");

Answer 1

Consider this regular expression: "(?<=[-+*/])|(?=[-+/])"

This will produce: [ +, -, *, / ]

In text/string "clearformula", whenever i will find either of "-", "+", "*" or "/"

It will split the string into two parts & will store in the list named "data"

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