Trex - Grammar language

Trex, aka Tree Regular Expressions for XML, is a grammar language created in 2001 by James Clark.

#2899on PLDB

23Years Old

Trex website

Example from the web:

<element name="addressBook">
  <zeroOrMore>
    <element name="card">
      <element name="name">
        <anyString/>
      </element>
      <element name="email">
        <anyString/>
      </element>
    </element>
  </zeroOrMore>
</element>

PLDB - Build the next great programming language · About · Acknowledgements · Extensions · Day 630 · Donate · feedback@pldb.io