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Rex: Symbolic Regular Expression Explorer

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3 Author(s)
Veanes, M. ; Microsoft Res., Redmond, WA, USA ; de Halleux, P. ; Tillmann, N.

Constraints in form regular expressions over strings are ubiquitous. They occur often in programming languages like Perl and C#, in SQL in form of LIKE expressions, and in web applications. Providing support for regular expression constraints in program analysis and testing has several useful applications. We introduce a method and a tool called Rex, for symbolically expressing and analyzing regular expression constraints. Rex is implemented using the SMT solver Z3, and we provide experimental evaluation of Rex.

Published in:

Software Testing, Verification and Validation (ICST), 2010 Third International Conference on

Date of Conference:

6-10 April 2010