keepthe literal text keep (case sensitive) \d+a digit, repeated at least once
\s*any whitespace character, repeated any number of times
{the literal { (12310 / 1738 / 7B16)
Negated Character Class[^}]* *matches any number of characters outside the set below:
}the literal } (12510 / 1758 / 7D16)
}the literal } (12510 / 1758 / 7D16)