StringSegment.StartsWith(String, StringComparison) 方法
定义
使用指定的 comparisonType 进行比较时,检查此 StringSegment 的开头是否与指定的 String 匹配。Checks if the beginning of this StringSegment matches the specified String when compared using the specified comparisonType.
public:
bool StartsWith(System::String ^ text, StringComparison comparisonType);
public bool StartsWith (string text, StringComparison comparisonType);
member this.StartsWith : string * StringComparison -> bool
Public Function StartsWith (text As String, comparisonType As StringComparison) As Boolean
参数
- comparisonType
- StringComparison
一个枚举值,用于指定比较中要使用的规则。One of the enumeration values that specifies the rules to use in the comparison.
返回
如果 text 与此 StringSegment 的开头匹配,则为 true;否则为 false。true if text matches the beginning of this StringSegment; otherwise, false.
例外
text 为 null。text is null.