@gerhobbelt/mathjax-third-party-extensions/legacy/siunitx/node_modules/underscore.string/underscored.js

A list of MathJax extensions provided by third-party contributors

var trim = require('./trim');

module.exports = function underscored(str) {
  return trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1_$2').replace(/[-\s]+/g, '_').toLowerCase();
};