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Translations:Using regular expressions/127/zh-cn

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带有可选小数的数字验证(价格)

匹配从 0 到 199 的数字, 可选是否带两位小数:

/^([1][0-9][0-9]|[1-9][0-9]|[0-9])((\.)[0-9][0-9])?$/