www.mikescher.com/framework/vendors/TextHighlighter/Text/ruby.xml

<?xml version="1.0"?>
<!-- $Id: ruby.xml,v 1.1 2007/06/03 02:35:28 ssttoo Exp $ -->

<highlight lang="ruby" case="no">

  <authors>
    <author name="Andrey Demenev" email="demenev@gmail.com"/>
  </authors>

  <comment>
FIXME:  While this construction : s.split /z/i 
is valid, regular expression is not recognized as such
(/ folowing an identifier or number is not recognized as
start of RE), making highlighting improper

%q(a (nested) string) does not get highlighted correctly
  </comment>

  <default innerClass="code" />

  <region name="data" start="/^__END__$/m" end="$" delimClass="reserved" innerClass="comment" never-conteined="yes" />
  
  <region name="strdouble" delimClass="quotes" innerClass="string" 
          start="&quot;" end="&quot;" >
  </region>

  <region name="qstrdouble" delimClass="quotes" innerClass="string" 
      start="%[Qx]([!&quot;#\$%&amp;'+\-*.\/:;=?@^`|~{&lt;\[(])" end="%b1%"  remember="yes" />
  
  <region name="strsingle" delimClass="quotes" innerClass="string" 
          start="'" end="'" />

  <region name="qstrsingle" delimClass="quotes" innerClass="string" 
      start="%[wq]([!&quot;#\$%&amp;'+\-*.\/:;=?@^`|~{&lt;\[(])" end="%b1%"  remember="yes" />

  <block name="global" match="\$(\W|\w+)" innerClass="var" />

  <block name="classvar" match="/@@?[_a-z][\d_a-z]*/i" innerClass="var" />
  
  <region name="brackets" delimClass="brackets" innerClass="code" start="\(" end="\)" >
    <contains all="yes"/>
  </region>

  <region name="sqbrackets" delimClass="brackets" innerClass="code" start="\[" end="\]" >
    <contains all="yes"/>
  </region>

  <block name="escaped" match="\\." innerClass="special" contained="yes">
    <onlyin region="qstrsingle"/>
    <onlyin region="strsingle"/>
    <onlyin region="qstrdouble"/>
    <onlyin region="strdouble"/>
    <onlyin region="regexp"/>
  </block>

  <block name="identifier" match="[a-z_]\w*" innerClass="identifier" />

  <block name="exponent" 
         match="((\d+|((\d*\.\d+)|(\d+\.\d*)))[eE][+-]?\d+)" 
         innerClass="number" />

  <block name="float" match="(\d*\.\d+)|(\d+\.\d*)" innerClass="number"/>

  <block name="hexinteger" match="0[xX][\da-f]+l?" innerClass="number" />
  
  <block name="integer" match="\d+l?|\b0l?\b" innerClass="number" />

  <block name="octinteger" match="0[0-7]+l?" innerClass="number" />


  <region name="rubydoc" start="/^=begin$/m" end="/^=end$/m" delimClass="comment" innerClass="comment">
      <contains block="cvstag" />
  </region>
  
  <block name="cvstag" match="\$\w+\s*:.+\$" innerClass="inlinedoc" contained="yes">
    <onlyin region="comment"/>
    <onlyin region="rubydoc"/>
  </block>

  <region name="comment" innerClass="comment" start="#" end="/$/m" delimClass="comment" >
      <contains block="cvstag" />
  </region>

  <region name="regexp" delimClass="quotes" innerClass="string" start="\s*\/" end="\/[iomx]*" 
   neverAfter="(?&lt;!\band|\bor|\bwhile|\buntil|\bunless|\bif|\belsif|\bwhen|[~=!|&amp;(,\[])$">
  </region>
  
  <keywords name="reserved" inherits="identifier" innerClass="reserved" case = "yes">
      <keyword match="__FILE__" />
      <keyword match="require" />
      <keyword match="and" />
      <keyword match="def" />
      <keyword match="end" />
      <keyword match="in" />
      <keyword match="or" />
      <keyword match="self" />
      <keyword match="unless" />
      <keyword match="__LINE__" />
      <keyword match="begin" />
      <keyword match="defined?" />
      <keyword match="ensure" />
      <keyword match="module" />
      <keyword match="redo" />
      <keyword match="super" />
      <keyword match="until" />
      <keyword match="BEGIN" />
      <keyword match="break" />
      <keyword match="do" />
      <keyword match="false" />
      <keyword match="next" />
      <keyword match="rescue" />
      <keyword match="then" />
      <keyword match="when" />
      <keyword match="END" />
      <keyword match="case" />
      <keyword match="else" />
      <keyword match="for" />
      <keyword match="nil" />
      <keyword match="retry" />
      <keyword match="true" />
      <keyword match="while" />
      <keyword match="alias" />
      <keyword match="module_function" />
      <keyword match="private" />
      <keyword match="public" />
      <keyword match="protected" />
      <keyword match="attr_reader" />
      <keyword match="attr_writer" />
      <keyword match="attr_accessor" />
      <keyword match="class" />
      <keyword match="elsif" />
      <keyword match="if" />
      <keyword match="not" />
      <keyword match="return" />
      <keyword match="undef" />
      <keyword match="yield" />
  </keywords>


</highlight>