Regular expression to match digits and basic math operators

Question

I need a regular expression that will match 0-9, (,),+,-,* and /.

Answer 1

regex  = '(?:[0-9 ()]+[*+/-])+[0-9 ()]+'
string = 'mig 2*7 5+ 43 asf 4 3+32 *33 as 0 fa 3 5+9 m (3 + 5) - 9*(99)'
re.findall(regex, string)
# answer
# [' 2*7 5+ 43 ', ' 4 3+32 *33 ', ' 3 5+9 ', ' (3 + 5) - 9*(99)']