How to store string replacement as object in Javascript?

Question

I have the following

astring.replace(/(someregex/g, "replacementstring.$1")

I'd like to store it as some sort of object, so I can call it in the future. The obvious solution is to store it as two variables someregex and replacementstring and call it in the future as astring.replace(someregex, replacementstring + '.$1') But that seems really clunky to me.

Is there anyway to store the string replacement in a more concise manner? My current idea is to store .replace(/someregex/g, "replacementstring.$1") as a string called stringreplacement and use eval('astring' + stringreplacement). But that seems silly.

Well, for the regex part you could store it as an actual RegExp object. var pattern = new RegExp("someregex", "g"); — Taplar
– Taplar, Commented Jul 23, 2018 at 22:57

fubar · Accepted Answer · 2018-07-23 23:14:49Z

3

You could use currying to define a function where some variables are already pre-defined.

For example:

function replace(find, replace) {
  return function (string) {
    return string.replace(find, replace);
  }
}

const replacer = replace(/hello/gi, "G'day");

console.log(replacer('hello fubar'));

edited Jul 23, 2018 at 23:14

answered Jul 23, 2018 at 23:01

fubar

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