Viewing github.com/alecthomas/chroma/lexers/embedded/twig.xml

```
<lexer>
```
```
  <config>
```
```
    <name>Twig</name>
```
```
    <alias>twig</alias>
```
```
    <filename>*.twig</filename>
```

    <mime_type>application/x-twig</mime_type>

```
    <dot_all>true</dot_all>
```
```
  </config>
```
```
  <rules>
```
```
    <state name="var">
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="(-?)(\}\})">
```
```
        <bygroups>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
        </bygroups>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="varnames"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="tag">
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="(-?)(%\})">
```
```
        <bygroups>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
        </bygroups>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="varnames"/>
```
```
      </rule>
```
```
      <rule pattern=".">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="root">
```
```
      <rule pattern="[^{]+">
```
```
        <token type="Other"/>
```
```
      </rule>
```
```
      <rule pattern="\{\{">
```
```
        <token type="CommentPreproc"/>
```
```
        <push state="var"/>
```
```
      </rule>
```
```
      <rule pattern="\{\#.*?\#\}">
```
```
        <token type="Comment"/>
```
```
      </rule>
```

      <rule pattern="(\{%)(-?\s*)(raw)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endraw)(\s*-?)(%\})">

```
        <bygroups>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
          <token type="Other"/>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(\{%)(-?\s*)(verbatim)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endverbatim)(\s*-?)(%\})">

```
        <bygroups>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
          <token type="Other"/>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```

          <token type="CommentPreproc"/>

```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(\{%)(-?\s*)(filter)(\s+)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)">

```
        <bygroups>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
          <token type="NameFunction"/>
```
```
        </bygroups>
```
```
        <push state="tag"/>
```
```
      </rule>
```

      <rule pattern="(\{%)(-?\s*)([a-zA-Z_]\w*)">

```
        <bygroups>
```

          <token type="CommentPreproc"/>

```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
        </bygroups>
```
```
        <push state="tag"/>
```
```
      </rule>
```
```
      <rule pattern="\{">
```
```
        <token type="Other"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="varnames">
```

      <rule pattern="(\|)(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)">

```
        <bygroups>
```
```
          <token type="Operator"/>
```
```
          <token type="Text"/>
```
```
          <token type="NameFunction"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(is)(\s+)(not)?(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)">

```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
          <token type="NameFunction"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(?i)(true|false|none|null)\b">

```
        <token type="KeywordPseudo"/>
```
```
      </rule>
```

      <rule pattern="(in|not|and|b-and|or|b-or|b-xor|isif|elseif|else|importconstant|defined|divisibleby|empty|even|iterable|odd|sameasmatches|starts\s+with|ends\s+with)\b">

```
        <token type="Keyword"/>
```
```
      </rule>
```

      <rule pattern="(loop|block|parent)\b">

```
        <token type="NameBuiltin"/>
```
```
      </rule>
```

      <rule pattern="(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*">

```
        <token type="NameVariable"/>
```
```
      </rule>
```

      <rule pattern="\.(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*">

```
        <token type="NameVariable"/>
```
```
      </rule>
```
```
      <rule pattern="\.[0-9]+">
```
```
        <token type="LiteralNumber"/>
```
```
      </rule>
```

      <rule pattern=":?&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">

        <token type="LiteralStringDouble"/>

```
      </rule>
```

      <rule pattern=":?&#39;(\\\\|\\&#39;|[^&#39;])*&#39;">

        <token type="LiteralStringSingle"/>

```
      </rule>
```

      <rule pattern="([{}()\[\]+\-*/,:~%]|\.\.|\?|:|\*\*|\/\/|!=|[&gt;&lt;=]=?)">

```
        <token type="Operator"/>
```
```
      </rule>
```

      <rule pattern="[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?">

```
        <token type="LiteralNumber"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```