freeCodeCamp/common/utils/index.js

export function dashify(str) {
  return ('' + str)
    .toLowerCase()
    .replace(/\s/g, '-')
    .replace(/[^a-z0-9\-\.]/gi, '')
    .replace(/\:/g, '');
}
// todo: unify with server/utils/index.js:dasherize
const dasherize = dashify;
export { dasherize };