<regex_position_expression xmlns="http://www.sqlparser.com/xml/ansi2003">
  <kw_position_regex>{1,1}</kw_position_regex>
  <regex_position_start_or_after>{0,1}</regex_position_start_or_after>
  <xquery_pattern>{1,1}</xquery_pattern>
  <flag_xquery_option_flag>{0,1}</flag_xquery_option_flag>
  <kw_in>{1,1}</kw_in>
  <regex_subject_string>{1,1}</regex_subject_string>
  <from_start_position>{0,1}</from_start_position>
  <using_char_length_units>{0,1}</using_char_length_units>
  <occurrence_regex_occurrence>{0,1}</occurrence_regex_occurrence>
  <group_regex_capture_group>{0,1}</group_regex_capture_group>
</regex_position_expression>

<xs:element name="regex_position_expression">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="kw_position_regex"/>
      <xs:element ref="regex_position_start_or_after" minOccurs="0"/>
      <xs:element ref="xquery_pattern"/>
      <xs:element ref="flag_xquery_option_flag" minOccurs="0"/>
      <xs:element ref="kw_in"/>
      <xs:element ref="regex_subject_string"/>
      <xs:element ref="from_start_position" minOccurs="0"/>
      <xs:element ref="using_char_length_units" minOccurs="0"/>
      <xs:element ref="occurrence_regex_occurrence" minOccurs="0"/>
      <xs:element ref="group_regex_capture_group" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>