Matches palindromes:
arbitrary length
ignores non-significant characters (spaces, ponctuation)
ignores accents, provided the text is NFD-normalized
Limitation: in case of nested palindromes (e.g. "a été à"), it will match the nested ones ("a", "été", "à"), rather than the longest one ("a été à").
Submitted by NicolaF_ - 15 hours ago