On Aug 12, 2011, at 9:21 AM, Colin Law wrote:
> On 12 August 2011 14:08, Niklas Nson <[email protected]> wrote:
>> I need to validate a string from a user (a location for use with
>> geotagging) that is. I want to make sure that the user specify a city
>> and a country in my inp ... So i wrote this =>
>>
>> validates :usri_location,
>> :presence => true,
>> :format => {:with => /^[a-zA-Z]+{\,\s}+[a-zA-Z]/i},
You have {} instead of () around the , and \s. Also, I don't believe the ','
has to be escaped (it didn't work with it escaped and it does if i remove the
escaping. With those 2 issues fixed it works for me on rubular.
>> :on => :create
>>
>> I want to make sure that the user writes city, country
>>
>> city + ", " + country
>>
>> but all i get is (invalid) some one with more experience with regex
>> wanting to help out or show me in a direction.
>
> The way I tackle this sort of problem is to start with a simple regex
> and slowly build it up. So you could start with just expecting alpha
> characters and check that it accepts the city ok, then add the
> expected comma, and so on.
>
> Colin
>
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Juan Alvarado
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