Added Text::Patterns::VERSION_CONSTRAINT (closes #555).

Author: postmodern

lib/ronin/support/text/patterns/software.rb

@@ -31,6 +31,11 @@ module Patterns
         #
         # @since 1.0.0
         VERSION_NUMBER = /\d+(?:\.\d+){1,3}(?:[-.]?[A-Za-z]+(?:[-.]?\d+)?)?/
+
+        # Regular expression for finding version constraints in text.
+        #
+        # @since 1.2.0
+        VERSION_CONSTRAINT = /(?:>=|>|<=|<|=)\s*#{VERSION_NUMBER}/
       end
     end
   end

spec/text/patterns/software_spec.rb

@@ -864,4 +864,48 @@
       expect(version).to fully_match(subject)
     end
   end
+
+  describe "VERSION_CONSTRAINT" do
+    subject { described_class::VERSION_CONSTRAINT }
+
+    it "must match '>= X.Y.Z'" do
+      expect('>= 1.2.3').to fully_match(subject)
+    end
+
+    it "must match '> X.Y.Z'" do
+      expect('> 1.2.3').to fully_match(subject)
+    end
+
+    it "must match '<= X.Y.Z'" do
+      expect('<= 1.2.3').to fully_match(subject)
+    end
+
+    it "must match '< X.Y.Z'" do
+      expect('< 1.2.3').to fully_match(subject)
+    end
+
+    it "must match '= X.Y.Z'" do
+      expect('= 1.2.3').to fully_match(subject)
+    end
+
+    it "must match '>=X.Y.Z'" do
+      expect('>=1.2.3').to fully_match(subject)
+    end
+
+    it "must match '>X.Y.Z'" do
+      expect('>1.2.3').to fully_match(subject)
+    end
+
+    it "must match '<=X.Y.Z'" do
+      expect('<=1.2.3').to fully_match(subject)
+    end
+
+    it "must match '<X.Y.Z'" do
+      expect('<1.2.3').to fully_match(subject)
+    end
+
+    it "must match '=X.Y.Z'" do
+      expect('=1.2.3').to fully_match(subject)
+    end
+  end
 end