[cmake-developers] [CMake 0015961]: CMake Regex does not support lookahead regular expressions.

[Mantis Bug Tracker]

The following issue has been SUBMITTED. 
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https://cmake.org/Bug/view.php?id=15961 
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Reported By:                raffael casagrande
Assigned To:                
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Project:                    CMake
Issue ID:                   15961
Category:                   CMake
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
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Date Submitted:             2016-02-09 08:14 EST
Last Modified:              2016-02-09 08:14 EST
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Summary:                    CMake Regex does not support lookahead regular
expressions.
Description: 
Trying to use a Regular expression that contains a lookahead clause is not
supported by CMake. 

Steps to Reproduce: 
Try to execute the following CMake statement:
string(REGEX MATH "(?!red|green|blue)" _bla ${CMAKE_CURRENT_LIST_DIR})

It will fail with:

 string sub-command REGEX, mode REPLACE failed to compile regex
  "(?!red|green|blue)".
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Issue History 
Date Modified    Username       Field                    Change               
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2016-02-09 08:14 raffael casagrandeNew Issue                                    
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