Amazing! thanks Gianluca :DD!!
Luis
Gianluca Tessarolo wrote:
> Yes, validating format only when field has a value:
>
> ex.
>
> validates_format_of :field, :with => "xxxx", :allow_blank => true
>
> :allow_nil - If set to true, skips this validation if the attribute is
> nil (default is false)
> :allow_blank - If set to true, skips this validation if the attribute is
> blank (default is false)
>
> or
> validates_format_of :field, :with => "xxxx", :if => Proc.new{|record|
> !record.field.blank? }
> but the first one is better (allow_blank), with the last one u can make
> a validation based on more than one field...
>
> Hope this helps...
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