OPM/opm-porsol — pull request #108 by andlaus (2014-07-08 11:32:41+00:00)
Title: use extended regular expressions in the test for std::regex

for some compilers (e.g., GCC < 4.9) the default is buggy and
opm-parser thus uses extended expressions...

thanks to [at]bska for digging this up!