fn the literal text fn (case sensitive) \w+any word character, repeated at least once
\s*any whitespace character, repeated any number of times
\(the literal ( (4010 / 508 / 2816)
.*?any character, repeated any number of times
\)the literal ) (4110 / 518 / 2916)
\s*any whitespace character, repeated any number of times
{the literal { (12310 / 1738 / 7B16)
.+?any character, repeated at least once
Positive Lookbehind(?<=}) }the literal } (12510 / 1758 / 7D16)