The Ideographic Comma symbol (、). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Punctuation.
The quickest way is to copy 、 from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
、 is U+3001 (decimal 12289).
Use 、 in HTML to render 、 on a web page.
On Windows you can type it with Alt+12289 (hold Alt and enter the number on the numeric keypad).
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