cmake HAVE_REGEXEC examples

MiKTeX/miktex CMakeLists.txt :1342 

check_function_exists(regexec HAVE_REGEXEC)

MoeMod/CSMoE 3rdparty/fontconfig-cmake/ConfigureChecks.cmake :94 

check_function_exists( regexec HAVE_REGEXEC )

libcheck/check CMakeLists.txt :195 

check_function_exists(regexec HAVE_REGEXEC)