Online Demo

The Online Demo uses the prpa PHP extension to access the RPA engine API. You can experiment, by editing the BNF schema and sample text on the demo pages.

Using parser version: 2.0


Search for URLs.

Search for Spam words.

Search for XML snippet.

Parse URL.

Parse JavaScript.

Parse XML.

Parse Left Recursion (Left Associativity).

Parse Right Recursion (Right Associativity).

Define your own rules and text to search.

Define your own rules and text to parse.