U+0021 EXCLAMATION MARK
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- =alias factorial
- =alias bang
- →cross-reference U+00A1 ¡ INVERTED EXCLAMATION MARK
- →cross-reference U+01C3 ǃ LATIN LETTER RETROFLEX CLICK
- →cross-reference U+203C ‼ DOUBLE EXCLAMATION MARK
- →cross-reference U+203D ‽ INTERROBANG
- →cross-reference U+26A0 ⚠ WARNING SIGN
- →cross-reference U+2757 ❗︎ HEAVY EXCLAMATION MARK SYMBOL
- →cross-reference U+2762 ❢ HEAVY EXCLAMATION MARK ORNAMENT
- →cross-reference U+2E53 ⹓ MEDIEVAL EXCLAMATION MARK
- →cross-reference U+A71D ꜝ MODIFIER LETTER RAISED EXCLAMATION MARK