Remove std::regex from UtilTests due to gcc compiler bug #292

Job	Run time
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, ON, Debug, none)	2m 11s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, ON, Debug, asan)	3m 49s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, ON, Release, none)	3m 48s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, ON, Release, asan)	22m 49s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, OFF, Debug, none)	2m 7s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, OFF, Debug, asan)	3m 43s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, OFF, Release, none)	3m 38s
build (/opt/gcc-12.4/bin/gcc;/opt/gcc-12.4/bin/g++;/opt/gcc-12.4/lib64, OFF, Release, asan)	21m 44s
build (clang;clang++;, ON, Debug, none)	1s
build (clang;clang++;, ON, Debug, asan)	1s
build (clang;clang++;, ON, Release, none)	1s
build (clang;clang++;, ON, Release, asan)	1s
build (clang;clang++;, OFF, Debug, none)	2m 1s
build (clang;clang++;, OFF, Debug, asan)	2m 31s
build (clang;clang++;, OFF, Release, none)	1s
build (clang;clang++;, OFF, Release, asan)	4m 58s
	1h 13m 24s

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