Seminar details

Room 206 (2nd floor, badged access)

27 January 2020 - 10h30
Symbolic Regexes & Matching
by Margus Veanes from Microsoft Research Lab

Abstract: Symbolic regex based matching and use of symbolic derivatives is a new topic with interesting theoretical and practical challenges driven by concrete applications. I will discuss some of the recent research and some of the applications in Azure. I will also discuss some future and ongoing work and other potential applications in related domains.

There is a new open source .NET regular expression matching tool SRM implemented in the Microsoft Automata framework. The main feature of the tool is that the core matching algorithms are based on symbolic derivatives that support extended regular expression operations such as intersection and complement. I will discuss the main design decisions behind the tool, explain the core algorithmic ideas and how the tool works, discuss some practical usage scenarios, and compare it to some existing state of the art.

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