Fix the regex bug for env variables #10850

Job	Run time
Testing chores	2m 32s
Build artifacts	1m 14s
ubuntu-latest w/ Node.js 18.x (1/2)	6m 4s
Big-endian debian w/ Node.js latest (${{ matrix.shard }})	0s
ubuntu-latest w/ Node.js 18.x (2/2)	5m 17s
ubuntu-latest w/ Node.js 19.x (1/2)	6m 20s
ubuntu-latest w/ Node.js 19.x (2/2)	5m 22s
ubuntu-latest w/ Node.js 20.x (1/2)	5m 47s
ubuntu-latest w/ Node.js 20.x (2/2)	4m 50s
ubuntu-latest w/ Node.js 21.x (1/2)	5m 15s
ubuntu-latest w/ Node.js 21.x (2/2)	4m 24s
ubuntu-latest w/ Node.js 22.x (1/2)	5m 15s
ubuntu-latest w/ Node.js 22.x (2/2)	4m 26s
windows-latest w/ Node.js 18.x (1/3)	5m 11s
windows-latest w/ Node.js 18.x (2/3)	7m 44s
windows-latest w/ Node.js 18.x (3/3)	6m 3s
macos-latest w/ Node.js 18.x (1/3)	2m 16s
macos-latest w/ Node.js 18.x (2/3)	3m 50s
macos-latest w/ Node.js 18.x (3/3)	3m 26s
windows-latest w/ Node.js 22.x (1/3)	5m 32s
windows-latest w/ Node.js 22.x (2/3)	11m 29s
windows-latest w/ Node.js 22.x (3/3)	7m 25s
macos-latest w/ Node.js 22.x (1/3)	2m 33s
macos-latest w/ Node.js 22.x (2/3)	3m 8s
macos-latest w/ Node.js 22.x (3/3)	2m 21s
	1h 57m 44s

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