compromise/src/term/noun/inflect/data/indicators.js

natural language processing in the browser

'use strict';
//similar to plural/singularize rules, but not the same
const plural_indicators = [
  /(^v)ies$/i,
  /ises$/i,
  /ives$/i,
  /(antenn|formul|nebul|vertebr|vit)ae$/i,
  /(octop|vir|radi|nucle|fung|cact|stimul)i$/i,
  /(buffal|tomat|tornad)oes$/i,
  /(analy|ba|diagno|parenthe|progno|synop|the)ses$/i,
  /(vert|ind|cort)ices$/i,
  /(matr|append)ices$/i,
  /(x|ch|ss|sh|s|z|o)es$/i,
  /men$/i,
  /news$/i,
  /.tia$/i,
  /(^f)ves$/i,
  /(lr)ves$/i,
  /(^aeiouy|qu)ies$/i,
  /(m|l)ice$/i,
  /(cris|ax|test)es$/i,
  /(alias|status)es$/i,
  /ics$/i
];

//similar to plural/singularize rules, but not the same
const singular_indicators = [
  /(ax|test)is$/i,
  /(octop|vir|radi|nucle|fung|cact|stimul)us$/i,
  /(octop|vir)i$/i,
  /(rl)f$/i,
  /(alias|status)$/i,
  /(bu)s$/i,
  /(al|ad|at|er|et|ed|ad)o$/i,
  /(ti)um$/i,
  /(ti)a$/i,
  /sis$/i,
  /(?:(^f)fe|(lr)f)$/i,
  /hive$/i,
  /(^aeiouy|qu)y$/i,
  /(x|ch|ss|sh|z)$/i,
  /(matr|vert|ind|cort)(ix|ex)$/i,
  /(m|l)ouse$/i,
  /(m|l)ice$/i,
  /(antenn|formul|nebul|vertebr|vit)a$/i,
  /.sis$/i,
  /^(?!talis|.*hu)(.*)man$/i
];
module.exports = {
  singular_indicators: singular_indicators,
  plural_indicators: plural_indicators
}