WebJan 21, 2024 · Index type. Index type in C# is a number that can be used for indexing. Index counts a collection items from the beginning. To count a collection items from the end, a … WebAug 31, 2024 · 2024年8月31日. 文字列中の文字を先頭から検索するには .IndexOf () 、 .IndexOfAny () を使用します。. 1種類の文字を検索するには、.IndexOf ()を、. 複数の …
C# IndexOfAny Examples - Dot Net Perls
WebThis C# program illustrates the String.IndexOf (char x, int start1) method. It is apparent that we are looking for the 0 index, which corresponds to the letter “H.”. However, the line: int index2 = str.IndexOf (‘H’, 5); returns the … WebAug 18, 2015 · IndexOfAny 方法功能同IndexOf类似,区别在于,它可以搜索在一个字符串中,出现在一个字符数组中的任意字符第一次出现的位置。. 同样,该方法区分大小写,并从字符串的首字符开始以0计数。. 如果字符串中不包含这个字符或子串,则返回-1。. 常用的IndexOfAny重载 ... share object in snowflake
String.IndexOfAny 方法 (System) Microsoft Learn
WebYou can use following exension. It uses IndexOf in a loop with the overload which allows to pass the index you want to start the search. Loop until it returns -1 and add the found indices to a collection: public static IList AllIndexOf (this string text, string str, StringComparison comparisonType) { IList allIndexOf = new List WebMay 29, 2024 · 1 Answer. string.IndexOfAny (char []) will get you the index of the string where the first character of any of the characters in the array appears. The trick is defining what "whitespace" is. The example below has 25 characters defined as whitespace, the more common ones being ' ', '\n', '\t', '\v', '\r'. The following will use the unicode ... WebNov 17, 2024 · 文字列中の文字を先頭から検索するには、StringクラスのIndexOfメソッドを使用します。. 文字列.IndexOf (“検索対象文字”) それではサンプルを見てみましょう。. … poor public perceptions in healthcare