\\the literal \ (9210 / 1348 / 5C16)
newcommand{the literal text newcommand{ (case sensitive) \\the literal \ (9210 / 1348 / 5C16)
.*?any character (except for line terminators), repeated any number of times
}the literal } (12510 / 1758 / 7D16)
?repeats the group contents below at most once:
\[the literal [ (9110 / 1338 / 5B16)
\]the literal ] (9310 / 1358 / 5D16)
{the literal { (12310 / 1738 / 7B16)
.+any character (except for line terminators), repeated at least once
}the literal } (12510 / 1758 / 7D16)
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