constructor(options) {
    this.opt = Object.assign({}, {
      'diacritics': true,
      'synonyms': {},
      'accuracy': 'partially',
      'caseSensitive': false,
      'ignoreJoiners': false,
      'ignorePunctuation': [],
      'wildcards': 'disabled'
    }, options);
  }
@param {RegExpCreator~options} [options] - Optional options object