^start of line
\[the literal [ (9110 / 1338 / 5B16)
Character Class[[:graph:]]* *matches any number of characters from the set below:
[:graph:]a printing character, excluding spaces [\x21-\x7E]
\]the literal ] (9310 / 1358 / 5D16)
the literal (3210 / 408 / 2016)
Character Class[[:digit:]]{4} {4}matches exactly 4 characters from the set below:
[:digit:]a digit [0-9]
\/the literal / (4710 / 578 / 2F16)
Character Class[[:digit:]]{2} {2}matches exactly 2 characters from the set below:
[:digit:]a digit [0-9]
\/the literal / (4710 / 578 / 2F16)
Character Class[[:digit:]]{2} {2}matches exactly 2 characters from the set below:
[:digit:]a digit [0-9]
the literal (3210 / 408 / 2016)
Character Class[[:digit:]]{2} {2}matches exactly 2 characters from the set below:
[:digit:]a digit [0-9]
:the literal : (5810 / 728 / 3A16)
Character Class[[:digit:]]{2} {2}matches exactly 2 characters from the set below:
[:digit:]a digit [0-9]
:the literal : (5810 / 728 / 3A16)
Character Class[[:digit:]]{2} {2}matches exactly 2 characters from the set below:
[:digit:]a digit [0-9]
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