\d{2}a digit, repeated exactly 2 times
:the literal : (5810 / 728 / 3A16)
\d{2}a digit, repeated exactly 2 times
:the literal : (5810 / 728 / 3A16)
\d{6,7}a digit, repeated between 6 and 7 times
:the literal : (5810 / 728 / 3A16)
\d*a digit, repeated any number of times
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