doubleplus-numbers provides a Common Form annotator to find and identify redundant and repeated number(s) and numeral(s).
var assert = require('assert')
var annotator = require('doubleplus-numbers')
assert.deepEqual(
annotator({ content: [ 'Give me two (2) of those. Four (4) of the other one, too.' ] }),
[ { message: '"two (2)" repeats a written number and numeral, which is redundant and error-prone',
level: "info",
path: [ 'content', 0 ],
source: 'doubleplus-numbers',
url: null },
{ message: '"Four (4)" repeats a written number and numeral, which is redundant and error-prone',
level: "info",
path: [ 'content', 0 ],
source: 'doubleplus-numbers',
url: null } ])