\ba Unicode word boundary
Oxthe literal text Ox (case sensitive) \s+any whitespace character, repeated at least once
\d*a digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\S+any non-whitespace character, repeated at least once
\s+any whitespace character, repeated at least once
\d*a digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
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