19 lines
469 B
Python
19 lines
469 B
Python
"""新闻文案清洗：剥离「放宽窗口」类凑数前缀。"""
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from __future__ import annotations
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import re
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_RELAX_PREFIX = re.compile(
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r"^(?:放宽窗口|放宽至[^：:]*)\s*[:：]\s*",
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re.UNICODE,
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)
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def strip_relax_window_prefix(text: str) -> str:
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"""去掉开头的「放宽窗口：」/「放宽至…：」前缀。"""
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raw = (text or "").strip()
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if not raw:
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return ""
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return _RELAX_PREFIX.sub("", raw, count=1).strip()
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