^start of string
Уважаемый клиент, такси ожидает васthe literal text Уважаемый клиент, такси ожидает вас (case sensitive) .any Unicode character (except for line terminators)
the literal (3210 / 408 / 2016)
Group 1(\b[\S]+\b[\s]*){1,10} {1,10}repeats the group contents below between 1 and 10 times:
\ba Unicode word boundary
+matches at least one character from the set below:
\Sany character that is not Unicode whitespace
\ba Unicode word boundary
*matches any number of characters from the set below:
\sa Unicode whitespace character
.any Unicode character (except for line terminators)
С уважением такси таксиthe literal text С уважением такси такси (case sensitive) .any Unicode character (except for line terminators)
$end of string, or before its final line terminator
u modifier: unicode. Treats the pattern and subject as UTF-16