FIX: correct issue with search omitting words with multiple dots

Previously we used to break up words with dots incorrectly leading to
missing search terms

app/services/search_indexer.rb

@@ -22,9 +22,7 @@ class SearchIndexer
 
     # insert some extra words for I.am.a.word so "word" is tokenized
     # I.am.a.word becomes I.am.a.word am a word
-    # uses \p{L} which matchs a single code point in category letter
-    # uses \p{N} which matchs a single code point in category number
-    search_data = raw_data.gsub(/(\p{L}|\p{N}|_|-|\.)*\.(\p{L}|\p{N}|_|-|\.)*/) do |with_dot|
+    search_data = raw_data.gsub(/[^[:space:]]*[\.]+[^[:space:]]*/) do |with_dot|
       split = with_dot.split(".")
       if split.length > 1
         with_dot + (" " << split[1..-1].join(" "))

spec/components/search_spec.rb

@@ -760,8 +760,9 @@ describe Search do
     end
 
     it 'can tokanize website names correctly' do
-      post = Fabricate(:post, raw: 'i like wb.camra.org.uk so yay')
-      expect(Search.execute('wb.camra.org.uk').posts.map(&:id)).to eq([post.id])
+      post = Fabricate(:post, raw: 'i like http://wb.camra.org.uk/latest#test so yay')
+      expect(Search.execute('http://wb.camra.org.uk/latest#test').posts.map(&:id)).to eq([post.id])
+      expect(Search.execute('camra').posts.map(&:id)).to eq([post.id])
     end
 
     it 'supports category slug and tags' do