RunKit + npm: filtrex

const { compileExpression } = require("filtrex@3.0.0-rc11"); function containsWord(string, word) { return string.includes(word); } let options = { customProp: (word, _, string) => containsWord(string, word) }; let myfilter = compileExpression('Bob and Alice or Cecil', options); a = myfilter("Bob is boring"); // returns 0 b = myfilter("Bob met Alice"); // returns 1 c = myfilter("Cecil is cool"); // returns 1 console.log(a, b, c);