I was working with struts validators and need to test a phone number to be digits and starts with a leading 00, I wanna share it here
^00+\d{9,17}$
below is a ruby code snippet:
phone_no=”009621111111″
if phone_no =~ /^00+\d{0,9}$/
puts “match”
else
puts “No match”
end
a quick explain is
^ start from the beginning of the string
+\d{9,17} should include digits with at [...]