fulltext search

lib/text_utils.rb

@@ -5,6 +5,11 @@ module TextUtils
   MASK_REGEXP = /[^\s\-_\[\]\(\)\+\?\.\,]/
   MASK_SYMBOL = 'X'
 
+  TRANSLITERATIONS =
+    I18n::Backend::Transliterator::HashTransliterator::DEFAULT_APPROXIMATIONS.reject { |_, v| v.length > 1 }
+
+  TRANSLITERATION_REGEXP = Regexp.union(TRANSLITERATIONS.keys)
+
   module_function
 
   def rtl?(text)
@@ -15,6 +20,10 @@ module TextUtils
     false
   end
 
+  def transliterate(text)
+    text.to_s.gsub(TRANSLITERATION_REGEXP) { |e| TRANSLITERATIONS[e] }
+  end
+
   def mask_value(text, unmask_size = 0)
     if unmask_size.is_a?(Numeric) && !unmask_size.zero? && unmask_size.abs < text.length
       if unmask_size.negative?