JavaScript：如何根据花括号模式将字符串拆分为数组？

Question

I want to split a string similar to this:

"2*{some_string}*8*{some_other_string}"

Into an array, keeping the curly braces intact:

["2*","{some_string}","*8*","{some_other_string}"]

I'm hitting a wall and always end up remove the curly braces. Any clues out there?

I've been working with something like this:

var found = [],          // an array to collect the strings that are found
    rxp = /{([^}]+)}/g,
    str = "a {string} with {curly} braces",
    curMatch;

while( curMatch = rxp.exec( str ) ) {
    found.push( curMatch[1] );
}

console.log( found );    // ["string", "curly"]

Thanks:)

Answer 1

Don't really need replace. You can keep the {} when you split it by using regex, but it will create empty string, so you will need to use filter to remove empty string in the array after splitting.

 console.log("2*{some_string}*8*{some_other_string}".split(/({.*?})/).filter(s => !!s))