求座机电话只能输入数字和 ' - ' 的正则不限制位数并且' - '不是必填项

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1 Answer

深蓝 · Answer 1 · 2021-01-27T04:37:39+0000

answered Jan 27, 2021 by 深蓝 (71.8m points)

/^(?:d+[- ])?d+$/

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