|| ((matchedRegionStart == 0 || !isWordInternal(content.charAt(matchedRegionStart - 1))) && (charIdx + 1 >= content.length() || !isWordInternal(content.charAt(charIdx + 1)))
|| ((matchedRegionStart == 0 || !isWordInternal(content.charAt(matchedRegionStart - 1))) && (charIdx + 1 >= content.length() || !isWordInternal(content.charAt(charIdx + 1)))