###### tags: `ProgrammingLanguage` # 正規表達式 ``` 小數點 ^[0-9]+(.[0-9]{0,2})?$ ``` --- ``` 日期格式 (0[0-9][0-9]|1[0-9][0-9]|2[0-9][0-9])[/](0[1-9]|1[012])[/](0[1-9]|[12][0-9]|3[01]) ```
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