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How can I produce unicode symbols in a slack chat by typing their code?

As a mathematician, I routinely need to write things like ⨐∅⊋💩. In some systems I would just use some escape character and use (hex) '0x2a10', '0x2205', '0x228b', '0x1f4a9' or (decimal) 10768, 8709, 8843, 128169.

But how can I do this in slack?

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How about typing them in a way supported by your OS: https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_input

For example in Linux X11 system you can either (copying instructions from Wikipedia):

  • Hold Ctrl+Shift and type u followed by the hex digits. Then release Ctrl+Shift.
  • Press Ctrl+Shift+u, release, then type the hex digits, and press Enter (or Space or on some systems Shift or Ctrl).
  • While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review – ale Oct 11 at 23:40
  • Updated information for Linux, I don't feel competent to write about other systems. Anyway, now I think there must be some stack exchange answer about typing unicode characters in general, just I couldn't find it. – user1079505 Oct 14 at 22:23

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