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I want to create a user command that can get the visual-selected text (may across multiple lines) from users when the command is calling upon the v-selected range. (so the cursor columns of both the start&end of the visual region matter) Currently, I can only get the rows info of the selected region from line1, line2 in the callback/handler by setting range=true in the option of nvim_create_user_command, but how about the columns?

I also found this great old answer on the Vim side but it only mentioned about getting the starting and ending rows, but I also need the columns info to get the exact selected text.

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    User commands are typically linewise. If you want something invoked from visual mode, use xnoremap. But: try getting the column information out of the '< and '> marks.
    – D. Ben Knoble
    Commented Apr 7, 2023 at 14:42
  • @D.BenKnoble Thanks for the hint. Commented Apr 7, 2023 at 15:26

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