Comparison of Implementations

I currently maintain four five six! different implementations of RiveScript, and some are better maintained than others. I'll try to keep this page up-to-date to include the differences in support between the different implementations, and use it as reference for eventually fixing these problems so they all support the same features of RiveScript.

I'll organize this list by feature, and list the implementations that support it, rather than the other way around. Features that were present "since 1.0" don't have links to the commits on GitHub.

• Unicode/UTF-8 Support
  Allows using foreign characters in triggers, loosens up the filtering of input messages, also allows for the user to tell the bot their e-mail address without the @ and dot symbols being removed. Where supported, the feature is considered experimental and is not enabled by default.
  • Perl (@884708a)
  • Python (@2239fe6)
  • JavaScript (@0ea7741)
  • Go
  • Rust
• Punctuation stripping in UTF-8 mode
  Strips common punctuation characters from input messages when UTF-8 mode is active. Provides a way for the user to override this regexp if they need to change the definition of what a punctuation character is.
  • JavaScript (@789c5c2)
  • Python
  • Go
  • Rust
• Shortcut tags <input> and <reply> in Triggers
  Shortcuts for <input1> and <reply1>, respectively. This is for trigger lines only, not replies. For example, + <input>
  • Python
  • Perl
  • JavaScript
  • Go
  • Rust
• Setter tags for <bot> and <env>
  Lets you use <bot name=value> or <env name=value> to set variables, similar to the <set> tag.
  • Python
  • Perl
  • JavaScript
  • Go
  • Rust
• Multiple Redirects
  Ssimilar to multiple replies; puts redirects and replies into the same bucket for random selection. Acts as a shortcut to using - {@another trigger}
  • Java