Fix #61072: inconsistent fullmatch results with regex alternation #23525

Job	Run time
Linux-Musl	14m 58s
Linux-32-bit	18m 47s
python-dev	0s
Pyodide build	25m 28s
macos-13 actions-312.yaml	28m 49s
windows-latest actions-313.yaml	40m 10s
macos-13 actions-313.yaml	42m 15s
macos-14 actions-311.yaml	17m 57s
macos-14 actions-312.yaml	18m 32s
macos-13 actions-310.yaml	27m 0s
macos-14 actions-313.yaml	17m 52s
macos-13 actions-311.yaml	32m 9s
macos-14 actions-310.yaml	23m 46s
windows-latest actions-310.yaml	37m 59s
windows-latest actions-311.yaml	33m 50s
windows-latest actions-312.yaml	33m 12s
Pyarrow Nightly	19m 15s
ubuntu-24.04 actions-310.yaml	46m 0s
ubuntu-24.04 actions-312.yaml	42m 12s
Locale: it_IT	22m 29s
ubuntu-24.04-arm actions-311.yaml	40m 42s
Future infer strings	43m 14s
Numpy Dev	15m 54s
Future infer strings (without pyarrow)	36m 49s
ubuntu-24.04 actions-313.yaml	47m 33s
ubuntu-24.04-arm actions-313.yaml	34m 3s
Downstream Compat	5m 17s
ubuntu-24.04 actions-311.yaml	40m 46s
Pypy	1m 17s
ubuntu-24.04-arm actions-310.yaml	35m 18s
ubuntu-24.04-arm actions-312.yaml	42m 23s
Minimum Versions	23m 31s
Freethreading	20m 59s
Locale: zh_CN	22m 29s
	15h 52m 55s

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