\d+a Unicode decimal digit, repeated at least once
.*?any Unicode character (except for line terminators), repeated any number of times
\d+a Unicode decimal digit, repeated at least once
.*?any Unicode character (except for line terminators), repeated any number of times
\"the literal " (3410 / 428 / 2216)
.+?any Unicode character (except for line terminators), repeated at least once
\sa Unicode whitespace character
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string