Normalize a string by converting diacriticals to base characters, removing non-word characters, and converting to lower case. Non-strings return undefined.

const value = normstr('Við skulum fara á fjörðurinn í kvöld.');
// value === 'viskulumfaraafjorurinnikvold'
  • Parameters

    • Optionalvalue: string

      The string to normalize.

    Returns undefined | string

    The normalized string or undefined if not a string.