\(*the literal ( (4010 / 508 / 2816) , repeated any number of times
{3}matches exactly 3 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\D*any character that's not a digit, repeated any number of times
{3}matches exactly 3 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\D*any character that's not a digit, repeated any number of times
{4}matches exactly 4 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
g modifier: global. Finds all matches instead of stopping after the first