\d{0,2}a digit, repeated between 0 and 2 times
\sany whitespace character
+matches at least one character from the set below:
а-яone character from а (107210) to я (110310) (case sensitive)
\sany whitespace character
—the literal — (821210 / 200248 / 201416)
\sany whitespace character
\d{0,2}a digit, repeated between 0 and 2 times
\sany whitespace character
+matches at least one character from the set below:
а-яone character from а (107210) to я (110310) (case sensitive)
\na line-feed (newline) character (ASCII 10)