(?s)applies the following effective flags to the remainder of the pattern: gms s modifier: single line. Allows a dot to match line terminators
\w+any word character, repeated at least once
\s*any whitespace character, repeated any number of times
\{the literal { (12310 / 1738 / 7B16)
.*?any character, repeated any number of times
}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