v?optionally matches the literal v (11810 / 1668 / 7616) (case sensitive)
\s*any whitespace character, repeated any number of times
+repeats the group contents below at least once:
\d+a digit, repeated at least once
*repeats the group contents below any number of times:
\.the literal . (4610 / 568 / 2E16)
\d*a digit, repeated any number of times
\s*any whitespace character, repeated any number of times
betathe literal text beta (case sensitive) buildthe literal text build (case sensitive) bthe literal b (9810 / 1428 / 6216) (case sensitive)
\s*any whitespace character, repeated any number of times
\d+a digit, repeated at least once
g modifier: global. Finds all matches instead of stopping after the first