diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..03463f3
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+ruby-3.3.0
diff --git a/Gemfile.lock b/Gemfile.lock
index dffdffa..6162ca4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,37 +1,42 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.4.0)
-    diff-lcs (1.2.5)
-    docile (1.1.5)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    diff-lcs (1.5.1)
+    docile (1.4.0)
     domainatrix (0.0.11)
       addressable
-    hoe (3.14.2)
-      rake (>= 0.8, < 11.0)
-    json (1.8.3)
+    hoe (4.2.2)
+      rake (>= 0.8, < 15.0)
     one_hundred_percent_coverage (0.0.2)
       simplecov (>= 0.3.7)
-    rake (10.5.0)
-    rdoc (4.2.2)
-      json (~> 1.4)
-    rspec (3.4.0)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
-    rspec-core (3.4.3)
-      rspec-support (~> 3.4.0)
-    rspec-expectations (3.4.0)
+    psych (5.1.2)
+      stringio
+    public_suffix (6.0.1)
+    rake (13.2.1)
+    rdoc (6.7.0)
+      psych (>= 4.0.0)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.1)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-support (3.4.1)
-    simplecov (0.11.2)
-      docile (~> 1.1.0)
-      json (~> 1.8)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
+    stringio (3.1.1)
 
 PLATFORMS
   ruby
@@ -45,4 +50,4 @@ DEPENDENCIES
   simplecov
 
 BUNDLED WITH
-   1.11.2
+   2.5.10
diff --git a/README.rdoc b/README.rdoc
index e4591c0..8e06020 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -1,6 +1,6 @@
 = Despamilator
 
-* http://github.com/moowahaha/despamilator
+* home :: http://github.com/moowahaha/despamilator
 
 == DESCRIPTION:
 
diff --git a/Rakefile b/Rakefile
index 9e514c7..1449aa2 100644
--- a/Rakefile
+++ b/Rakefile
@@ -11,6 +11,7 @@ Hoe.plugin :newgem
 # Generate all the Rake tasks
 # Run 'rake -T' to see list of generated tasks (from gem root directory)
 $hoe = Hoe.spec 'despamilator' do
+  self.version = Despamilator::VERSION
   self.developer 'Stephen Hardisty', 'moowahaha@hotmail.com'
   self.post_install_message = 'PostInstall.txt'
 end
diff --git a/lib/despamilator.rb b/lib/despamilator.rb
index 41e5c96..07be72c 100644
--- a/lib/despamilator.rb
+++ b/lib/despamilator.rb
@@ -1,10 +1,12 @@
 $:.unshift(File.dirname(__FILE__)) unless $:.include?(File.dirname(__FILE__)) || $:.include?(File.expand_path(File.dirname(__FILE__)))
+require 'despamilator/version'
 require 'despamilator/filter'
 Dir.glob(File.join(File.dirname(__FILE__), 'despamilator', 'filter', '*.rb')).each do |filter_file|
   require filter_file
 end
 
 require 'despamilator/subject'
+require 'despamilator/text'
 require 'ostruct'
 
 #== SYNOPSIS:
diff --git a/lib/despamilator/filter/html_tags.rb b/lib/despamilator/filter/html_tags.rb
index a3f74cc..7ca6a29 100644
--- a/lib/despamilator/filter/html_tags.rb
+++ b/lib/despamilator/filter/html_tags.rb
@@ -6,8 +6,8 @@ def parse subject
       text = subject.text.downcase
 
       html_tags.each do |tag|
-        opening_elements = text.count(/<\s*#{tag}\W/)
-        closing_elements = text.count(/\W#{tag}\s*\/>/)
+        opening_elements = Despamilator::Text.count(text, /<\s*#{tag}\W/)
+        closing_elements = Despamilator::Text.count(text, /\W#{tag}\s*\/>/)
 
         if opening_elements > 0 or closing_elements > 0
           safest_element_count = opening_elements > closing_elements ? opening_elements : closing_elements
diff --git a/lib/despamilator/filter/ip_address_url.rb b/lib/despamilator/filter/ip_address_url.rb
index a5b2cc8..46b6c28 100644
--- a/lib/despamilator/filter/ip_address_url.rb
+++ b/lib/despamilator/filter/ip_address_url.rb
@@ -15,7 +15,7 @@ def description
     def parse subject
       subject.register_match!({
           :score => 0.5, :filter => self
-      }) if subject.text.downcase.count(/http:\/\/\d+\.\d+\.\d+\.\d+/) > 0
+      }) if Despamilator::Text.count(subject.text.downcase, /http:\/\/\d+\.\d+\.\d+\.\d+/) > 0
     end
 
   end
diff --git a/lib/despamilator/filter/long_words.rb b/lib/despamilator/filter/long_words.rb
index 60b88eb..3d38002 100644
--- a/lib/despamilator/filter/long_words.rb
+++ b/lib/despamilator/filter/long_words.rb
@@ -13,7 +13,10 @@ def description
     end
 
     def parse subject
-      subject.text.without_uris.words.each do |word|
+      without_uris = Despamilator::Text.without_uris(subject.text)
+      words = Despamilator::Text.words(without_uris)
+
+      words.each do |word|
         subject.register_match!({
           :score => 0.1, :filter => self
         }) if word.length > 20
diff --git a/lib/despamilator/filter/mixed_case.rb b/lib/despamilator/filter/mixed_case.rb
index 54e3a2c..f7943a5 100644
--- a/lib/despamilator/filter/mixed_case.rb
+++ b/lib/despamilator/filter/mixed_case.rb
@@ -10,9 +10,12 @@ def description
     end
 
     def parse subject
-      text = subject.text.without_uris
-      count = text.remove_and_count!(/[a-z][A-Z]/)
-      count += text.remove_and_count!(/[a-z][A-Z][a-z]/)
+      text = Despamilator::Text.without_uris(subject.text)
+      text, count1 = Despamilator::Text.remove_and_count(text, /[a-z][A-Z]/)
+      _, count2 = Despamilator::Text.remove_and_count(text, /[a-z][A-Z][a-z]/)
+
+      count = count1 + count2
+
       subject.register_match!({:score => 0.1 * count, :filter => self}) if count > 0
     end
 
diff --git a/lib/despamilator/filter/numbers_and_words.rb b/lib/despamilator/filter/numbers_and_words.rb
index c5aebce..ae4e40e 100644
--- a/lib/despamilator/filter/numbers_and_words.rb
+++ b/lib/despamilator/filter/numbers_and_words.rb
@@ -35,7 +35,7 @@ def description
     private
 
     def tidy_text subject
-      text = subject.text.without_uris
+      text = Despamilator::Text.without_uris(subject.text)
       text.downcase!
 
       # strip out "good numbers"
diff --git a/lib/despamilator/filter/obfuscated_urls.rb b/lib/despamilator/filter/obfuscated_urls.rb
index c03335c..f2d838c 100644
--- a/lib/despamilator/filter/obfuscated_urls.rb
+++ b/lib/despamilator/filter/obfuscated_urls.rb
@@ -10,7 +10,7 @@ def description
     end
 
     def parse subject
-      text = subject.text.without_uris.downcase
+      text = Despamilator::Text.without_uris(subject.text.downcase)
       count = find_space_separated_parts text
       count += find_space_separated_characters text
 
@@ -21,7 +21,7 @@ def parse subject
     private
 
     def find_space_separated_parts text
-      text.count(/www\s+\w+\s+com/)
+      Despamilator::Text.count(text, /www\s+\w+\s+com/)
     end
 
     def find_space_separated_characters text
diff --git a/lib/despamilator/filter/prices.rb b/lib/despamilator/filter/prices.rb
index b2447de..5e0f72e 100644
--- a/lib/despamilator/filter/prices.rb
+++ b/lib/despamilator/filter/prices.rb
@@ -10,7 +10,7 @@ def description
     end
 
     def parse subject
-      price_count = subject.text.count(/\$\s*\d+/)
+      price_count = Despamilator::Text.count(subject.text,/\$\s*\d+/)
       subject.register_match!({:score => 0.075 * price_count, :filter => self}) if price_count > 0
     end
 
diff --git a/lib/despamilator/filter/shouting.rb b/lib/despamilator/filter/shouting.rb
index 26794c8..9b10681 100644
--- a/lib/despamilator/filter/shouting.rb
+++ b/lib/despamilator/filter/shouting.rb
@@ -19,7 +19,7 @@ def parse subject
       return if text.length < 20
 
       uppercased = text.scan(/[A-Z][A-Z]+/).join.length
-      lowercased = text.count(/[a-z]/)
+      lowercased = Despamilator::Text.count(text, /[a-z]/)
 
       if uppercased > 0
         subject.register_match!({
diff --git a/lib/despamilator/filter/spammy_tlds.rb b/lib/despamilator/filter/spammy_tlds.rb
index c747be4..10d75e2 100644
--- a/lib/despamilator/filter/spammy_tlds.rb
+++ b/lib/despamilator/filter/spammy_tlds.rb
@@ -13,7 +13,7 @@ def description
     end
 
     def parse subject
-      matches = subject.text.count(/\w{5,}\.(info|biz|xxx)\b/)
+      matches = Despamilator::Text.count(subject.text, /\w{5,}\.(info|biz|xxx)\b/)
       subject.register_match!({:score => 0.05 * matches, :filter => self}) if matches > 0
     end
 
diff --git a/lib/despamilator/filter/trailing_number.rb b/lib/despamilator/filter/trailing_number.rb
index 0653b6d..c08d77e 100644
--- a/lib/despamilator/filter/trailing_number.rb
+++ b/lib/despamilator/filter/trailing_number.rb
@@ -13,7 +13,7 @@ def description
     end
 
     def parse subject
-      subject.register_match!({:score => 0.1, :filter => self}) if subject.text.without_uris =~ /\b\d+\s*$/
+      subject.register_match!({:score => 0.1, :filter => self}) if Despamilator::Text.without_uris(subject.text) =~ /\b\d+\s*$/
     end
 
   end
diff --git a/lib/despamilator/filter/unusual_characters.rb b/lib/despamilator/filter/unusual_characters.rb
index 7fccc7c..a1f484c 100644
--- a/lib/despamilator/filter/unusual_characters.rb
+++ b/lib/despamilator/filter/unusual_characters.rb
@@ -14,7 +14,7 @@ def description
 
     def parse subject
       initialize_combos
-      tokenize(subject.text.without_uris).each do |token|
+      tokenize(Despamilator::Text.without_uris(subject.text)).each do |token|
         subject.register_match!({:score => 0.05, :filter => self}) if @@combos[token.to_sym]
       end
     end
diff --git a/lib/despamilator/filter/urls.rb b/lib/despamilator/filter/urls.rb
index 01bcba1..aa248d4 100644
--- a/lib/despamilator/filter/urls.rb
+++ b/lib/despamilator/filter/urls.rb
@@ -14,7 +14,7 @@ def description
 
     def parse subject
       text = subject.text.downcase.gsub(/http:\/\/\d+\.\d+\.\d+\.\d+/, '')
-      matches = text.count(/https?:\/\//)
+      matches = Despamilator::Text.count(text, /https?:\/\/\S+/)
       1.upto(matches > 2 ? 2 : matches) do
         subject.register_match!({:score => 0.4, :filter => self})
       end
diff --git a/lib/despamilator/filter/weird_punctuation.rb b/lib/despamilator/filter/weird_punctuation.rb
index 80c6f99..17d5567 100644
--- a/lib/despamilator/filter/weird_punctuation.rb
+++ b/lib/despamilator/filter/weird_punctuation.rb
@@ -13,18 +13,21 @@ def description
     end
 
     def parse subject
-      text = subject.text.without_uris.downcase
+      text = Despamilator::Text.without_uris(subject.text).downcase
 
       text.gsub!(/\w&\w/, 'xx')
       text.gsub!(/[a-z](!|\?)(\s|$)/, 'x')
       text.gsub!(/(?:#{punctuation}){20,}/, '')
-      matches = text.remove_and_count!(/(?:\W|\s|^)(#{punctuation})/)
-      matches += text.remove_and_count!(/\w,\w/)
-      matches += text.remove_and_count!(/\w\w\.\w/)
-      matches += text.remove_and_count!(/\w\.\w\w/)
-      matches += text.remove_and_count!(/(#{punctuation})(#{punctuation})/)
-      matches += text.remove_and_count!(/(#{punctuation})$/)
-      matches += text.remove_and_count!(/(?:\W|\s|^)\d+(#{punctuation})/)
+
+      text, matches1 = Despamilator::Text.remove_and_count(text, /(?:\W|\s|^)(#{punctuation})/)
+      text, matches2 = Despamilator::Text.remove_and_count(text, /\w,\w/)
+      text, matches3 = Despamilator::Text.remove_and_count(text, /\w\w\.\w/)
+      text, matches4 = Despamilator::Text.remove_and_count(text, /\w\.\w\w/)
+      text, matches5 = Despamilator::Text.remove_and_count(text, /(#{punctuation})(#{punctuation})/)
+      text, matches6 = Despamilator::Text.remove_and_count(text, /(#{punctuation})$/)
+      _, matches7 = Despamilator::Text.remove_and_count(text, /(?:\W|\s|^)\d+(#{punctuation})/)
+
+      matches = matches1 + matches2 + matches3 + matches4 + matches5 + matches6 + matches7
 
       subject.register_match!({:score => 0.03 * matches, :filter => self}) if matches > 0
     end
diff --git a/lib/despamilator/subject.rb b/lib/despamilator/subject.rb
index 48e6e3a..a478168 100644
--- a/lib/despamilator/subject.rb
+++ b/lib/despamilator/subject.rb
@@ -1,5 +1,3 @@
-require 'despamilator/subject/text'
-
 class Despamilator
   class Subject
     attr_reader :score, :text
@@ -7,7 +5,7 @@ class Subject
     def initialize text
       @score = 0.0
       @matches = {}
-      @text = Despamilator::Subject::Text.new(text)
+      @text = text
     end
 
     def register_match! details
diff --git a/lib/despamilator/subject/text.rb b/lib/despamilator/subject/text.rb
deleted file mode 100644
index 8186f74..0000000
--- a/lib/despamilator/subject/text.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-require 'uri'
-
-class Despamilator
-  class Subject
-    class Text < String
-
-      def initialize text
-        super text if text
-        freeze
-      end
-
-      def without_uris
-        gsub(/\b(?:https?|mailto|ftp):.+?(\s|$)/i, '')
-      end
-
-      def words
-        split(/\W+/)
-      end
-
-      def count pattern
-        scan(pattern).flatten.compact.length
-      end
-
-      def remove_and_count! pattern
-        count = count(pattern)
-        gsub!(pattern, '')
-        count
-      end
-
-    end
-  end
-end
diff --git a/lib/despamilator/text.rb b/lib/despamilator/text.rb
new file mode 100644
index 0000000..94c4715
--- /dev/null
+++ b/lib/despamilator/text.rb
@@ -0,0 +1,22 @@
+require "uri"
+
+class Despamilator
+  module Text
+    def self.without_uris(text)
+      text.gsub(/\b(?:https?|mailto|ftp):.+?(\s|$)/i, "")
+    end
+
+    def self.words(text)
+      text.split(/\W+/)
+    end
+
+    def self.count(text, pattern)
+      text.scan(pattern).flatten.compact.length
+    end
+
+    def self.remove_and_count(text, pattern)
+      count = count(text, pattern)
+      [text.gsub(pattern, ""), count]
+    end
+  end
+end
diff --git a/spec/despamilator_spec.rb b/spec/despamilator_spec.rb
index 3f6b4da..c282246 100644
--- a/spec/despamilator_spec.rb
+++ b/spec/despamilator_spec.rb
@@ -1,3 +1,5 @@
+require "helpers/spec_helper"
+
 describe Despamilator do
 
   before do
@@ -15,7 +17,7 @@
   context :matched_by do
     
     before do
-      @dspam.should_receive(:warn).with(/matched_by is deprecated/)
+      expect(@dspam).to receive(:warn).with(/matched_by is deprecated/)
       @gtubs = @dspam.matched_by { |f| f.class == DespamilatorFilter::GtubsTestFilter }.collect.first
     end
 
diff --git a/spec/helpers/spec_helper.rb b/spec/helpers/spec_helper.rb
index fc617e9..4d3d9c2 100644
--- a/spec/helpers/spec_helper.rb
+++ b/spec/helpers/spec_helper.rb
@@ -4,3 +4,9 @@
 Dir.glob(File.join(File.dirname(__FILE__), '*.rb')).each do |file|
   require file
 end
+
+RSpec.configure do |config|
+  config.expect_with :rspec do |c|
+    c.syntax = [:should, :expect]
+  end
+end
diff --git a/spec/subject_text_spec.rb b/spec/subject_text_spec.rb
index 70d5435..c988d0d 100644
--- a/spec/subject_text_spec.rb
+++ b/spec/subject_text_spec.rb
@@ -1,35 +1,27 @@
-describe Despamilator::Subject::Text do
-  it 'should be a kind of string' do
-    Despamilator::Subject::Text.new('aa').should be_kind_of(String)
-  end
-
-  it 'should be immutable' do
-    text = Despamilator::Subject::Text.new('aa')
-    -> {text.gsub!('a', 'b')}.should raise_error(RuntimeError)
-  end
-
+describe Despamilator::Text do
   it 'should strip urls' do
-    Despamilator::Subject::Text.new(
+    Despamilator::Text.without_uris(
         'blah https://www.google.com de.http://yahoo.com blah http://www.dcyder.com?x={abc} blah'
-    ).without_uris.should == 'blah de.blah blah'
+    ).should == 'blah de.blah blah'
   end
 
   it 'should split into words' do
-    Despamilator::Subject::Text.new(
+    Despamilator::Text.words(
         'hello   there you-rule'
-    ).words.should == %w{hello there you rule}
+    ).should == %w{hello there you rule}
   end
 
   it 'should count the matches for a regular expression' do
-    Despamilator::Subject::Text.new(
-        'yXyXy'
-    ).count(/X/).should == 2
+    Despamilator::Text.count(
+        'yXyXy',
+        /X/
+    ).should == 2
   end
 
   it 'should count the matches for a regular expression' do
-    text = Despamilator::Subject::Text.new('yXyXy').dup
-    text.remove_and_count!(/X/).should == 2
+    text, count = Despamilator::Text.remove_and_count('yXyXy', /X/)
     text.should == 'yyy'
+    count.should == 2
   end
 
 end
\ No newline at end of file