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 least 9 digits and at most 17 digits (excluded the leading 00)
$ indicates the end of the string
well, that was not much, but I wish it save someone’s 10 minutes!
Cheers
