### 正則表示式C# ![](https://i.imgur.com/3oi3zmd.png) ![](https://i.imgur.com/tyVZMGP.png) *** ### RegexOptions Enum [RegexOptions Enum](https://learn.microsoft.com/en-us/dotnet/api/system.text.regularexpressions.regexoptions?view=net-7.0)