Prism.languages.bbcode = {
  tag: {
    pattern:
      /\[\/?[^\s=\]]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+))?(?:\s+[^\s=\]]+\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+))*\s*\]/,
    inside: {
      tag: {
        pattern: /^\[\/?[^\s=\]]+/,
        inside: {
          punctuation: /^\[\/?/,
        },
      },
      'attr-value': {
        pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'"\]=]+)/,
        inside: {
          punctuation: [
            /^=/,
            {
              pattern: /^(\s*)["']|["']$/,
              lookbehind: true,
            },
          ],
        },
      },
      punctuation: /\]/,
      'attr-name': /[^\s=\]]+/,
    },
  },
};

Prism.languages.shortcode = Prism.languages.bbcode;