r-strings for Regular Expressions in Julia show backslashes with a red error box surrounding them. r-strings without backslashes seem fine. [Demo](https://pygments.org/demo/?lexer=julia&style=bw&formatter=html&code=println%28r%22hello%5Cs%2Beveryone%22i%29%0A%0A)
r-strings for Regular Expressions in Julia show backslashes with a red error box surrounding them. r-strings without backslashes seem fine.
Demo