U+2060 foo⁠bar WORD JOINER U+2061 foo⁡bar FUNCTION APPLICATION U+2062 foo⁢bar INVISIBLE TIMES U+2063 foo⁣bar INVISIBLE SEPARATOR U+180E foo᠎bar MONGOLIAN VOWEL SEPARATOR U+200B foo​bar ZERO WIDTH SPACE U+200C foo‌bar ZERO WIDTH NON-JOINER U+200D foo‍bar ZERO WIDTH JOINER U+FEFF foobar ZERO WIDTH NO-BREAK SPACE U+E0020 foo󠀠bar TAG SPACE