gistfile1.txt

For C#[##]-DW##-MP###[-D][d]
C\d\[\d{2}\]-[A-Z]W\d{2}-MP\d{3}\[-[A-Z]\]\[[a-z]\]

For B#[##]-FD###-FL###[-D][d]:
B\d\[\d{2}\]-F[A-Z]\d{3}-FL\d{3}\[-[A-Z]\]\[[a-z]\]

For T#[##]-MP###[-D][d]
T\d\[\d{2}\]-MP\d{3}\[-[A-Z]\]\[[a-z]\]

Characters in [ ] are optional
d – variable lowercase alpha character
D – variable uppercase alpha character
# – variable numeric character with leading zeros if number of digits is less than number of consecutive symbols