tartrazine/lexers/nginx_configuration_file.xml

<lexer>
  <config>
    <name>Nginx configuration file</name>
    <alias>nginx</alias>
    <filename>nginx.conf</filename>
    <mime_type>text/x-nginx-conf</mime_type>
  </config>
  <rules>
    <state name="root">
      <rule pattern="(include)(\s+)([^\s;]+)">
        <bygroups>
          <token type="Keyword"/>
          <token type="Text"/>
          <token type="Name"/>
        </bygroups>
      </rule>
      <rule pattern="[^\s;#]+">
        <token type="Keyword"/>
        <push state="stmt"/>
      </rule>
      <rule>
        <include state="base"/>
      </rule>
    </state>
    <state name="block">
      <rule pattern="\}">
        <token type="Punctuation"/>
        <pop depth="2"/>
      </rule>
      <rule pattern="[^\s;#]+">
        <token type="KeywordNamespace"/>
        <push state="stmt"/>
      </rule>
      <rule>
        <include state="base"/>
      </rule>
    </state>
    <state name="stmt">
      <rule pattern="\{">
        <token type="Punctuation"/>
        <push state="block"/>
      </rule>
      <rule pattern=";">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
      <rule>
        <include state="base"/>
      </rule>
    </state>
    <state name="base">
      <rule pattern="#.*\n">
        <token type="CommentSingle"/>
      </rule>
      <rule pattern="on|off">
        <token type="NameConstant"/>
      </rule>
      <rule pattern="\$[^\s;#()]+">
        <token type="NameVariable"/>
      </rule>
      <rule pattern="([a-z0-9.-]+)(:)([0-9]+)">
        <bygroups>
          <token type="Name"/>
          <token type="Punctuation"/>
          <token type="LiteralNumberInteger"/>
        </bygroups>
      </rule>
      <rule pattern="[a-z-]+/[a-z-+]+">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="[0-9]+[km]?\b">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="(~)(\s*)([^\s{]+)">
        <bygroups>
          <token type="Punctuation"/>
          <token type="Text"/>
          <token type="LiteralStringRegex"/>
        </bygroups>
      </rule>
      <rule pattern="[:=~]">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="[^\s;#{}$]+">
        <token type="LiteralString"/>
      </rule>
      <rule pattern="/[^\s;#]*">
        <token type="Name"/>
      </rule>
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
      <rule pattern="[$;]">
        <token type="Text"/>
      </rule>
    </state>
  </rules>
</lexer>