Add complex pattern

lib/liquid-validations.rb

@@ -99,7 +99,7 @@ def check_occurance(patterns, value, max)
   def get_max_tag(tag, value, max)
     max_tag = ""
     tag.each do |ele|
-      if value.scan(/{% #{ele} %}/).size > max
+      if value.scan(/{%\s+#{ele}\s+(.*?)%}/).size > max
         max_tag << "{% #{ele} %}"
       end
     end

spec/liquid_validations_spec.rb

@@ -279,5 +279,19 @@ class Mixin < ActiveRecord::Base
         @mixin.errors.full_messages.any? { |e| e == "content must not have more than 2 {% josh_is_awesome %}" }.must_equal true
       end
     end
+
+    describe "When tag contanis array of tag, complex pattern and presence is false" do
+      before do
+        Mixin.instance_eval do
+          validates_liquid_tag :content, tag: ['date_of_birth', 'national_id_no', 'street',  'postal_code', 'city', 'country_code', 'count', 'note'], max: 1, presence: false, :allow_blank => true
+        end
+        @mixin = Mixin.new
+      end
+      it "must be valid when the content is nil" do
+        @mixin.content = "{% name %} {% email %} {% street 'Adresse', 'data-required=true' %} {% street 'Sted', 'data-required=true' %}"
+        @mixin.valid?
+        @mixin.errors.full_messages.any? { |e| e == "content must not have more than 1 {% street %}" }.must_equal true
+      end
+    end
   end
 end