[Cmake] Capture regular expressions

[Alexander Neundorf]

... 
> What do you mean by "version around parentheses"?  Code like this is  
> supported: 
>  
> STRING(REGEX REPLACE "#define[\\t\\ ]+QT_VERSION_STR[\\t\\  
> ]+\"([0-9]+\\.[0-9]+\\.[0-9]+)\"" "\\1" qt_version "${VERSION_STR}") 
>  
> Note the "\\1" in the replace expression.  The two backslashes make it  
> through argument processing as a single backslash, and then the "\1" is  
> replaced by the part of the string matched inside the parentheses. 
>  
> -Brad 
 
Are multiple groups also supported, so that I can capture different matching
groups 
into different variables ? 
 
Something like: 
STRING(REGEX REPLACE "#define[\\t\\ ]+QT_VERSION_STR[\\t\\  
> ]+\"([0-9]+)\\.([0-9]+)\\.([0-9]+)\"" "\\1" "\\2" "\\3" qt_major_version 
qt_minor_version qt_pachtlevel "${VERSION_STR}") 
 
Bye 
Alex 
  

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