The Reversed Triple Prime 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+2037 (decimal 8247).
Use ‷ in HTML to render ‷ on a web page.
On Windows you can type it with Alt+8247 (hold Alt and enter the number on the numeric keypad).
Yes — copying is completely free and unlimited, and works right in your browser with no sign-up.