Regex not matching c#

Question

Hi I am using a regex to match UK phone numbers which looks like below:

/^\(?0( *\d\)?){9,10}$/

http://regexr.com/39icf

I've tried testing the regex above but receive no matches for the numbers input which look valid to me.

Is my regex correct?

Answer 1

It's working correct but you forget to select these checkboxes: