Examplethe literal text Example (case sensitive) \s+any whitespace character, repeated at least once
\d+a digit, repeated at least once
:the literal : (5810 / 728 / 3A16)
.*?any character (except for line terminators), repeated any number of times
?repeats the group contents below at most once:
ERRORthe literal text ERROR (case sensitive) $end of line
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