sthe literal s (11510 / 1638 / 7316) (case insensitive)
сthe literal с (108910 / 21018 / 44116) (case insensitive)
.*?any character (except for line terminators), repeated any number of times
bthe literal b (9810 / 1428 / 6216) (case insensitive)
бthe literal б (107310 / 20618 / 43116) (case insensitive)
.*?any character (except for line terminators), repeated any number of times
ethe literal e (10110 / 1458 / 6516) (case insensitive)
еthe literal е (107710 / 20658 / 43516) (case insensitive)
.*?any character (except for line terminators), repeated any number of times
rthe literal r (11410 / 1628 / 7216) (case insensitive)
рthe literal р (108810 / 21008 / 44016) (case insensitive)
₽the literal ₽ (838110 / 202758 / 20BD16)
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
g modifier: global. Finds all matches instead of stopping after the first