WebFeb 19, 2024 · IndexOf. From the start to the end, the IndexOf method in C# searches one string for another. It returns the index of the string part, if one is found. Return value. If the substring or char is not found, IndexOf returns -1. If we test for ">= 0," we can tell if the value was present. An example. We use IndexOf to see if a string contains a word. WebOct 6, 2012 · public static List GetSubstringLocations(string text, string searchsequence) { try { List foundIndexes = new List { }; int i = 0; while (i < …
How to use C# string IndexOf - Net-Informations.Com
WebNov 19, 2024 · Declaring the string array: There are two ways to declare the arrays of strings as follows Declaration without size: Syntax: String [] variable_name; or string [] variable_name; Declaration with size: Syntax: String [] variable_name = new String [provide_size_here]; or string [] variable_name = new string [provide_size_here]; Example: WebString IndexOf (Char) method returns an Int32 data type integer value. This return value represents the zero-based index position of the specified character if that character is … how to save the hand of the inheritor
c# - How to find first index of a character within a string
WebA string is an object but is also a collection of char structs. The IndexOf method returns the index in the array where the sequence of elements first match. Microsoft did something really smart here to reuse code, if a string contains an element/sequence it should also have an index, so they call the IndexOf method. WebJan 5, 2024 · Below programs illustrate the use of Array.Find (T [], Predicate) Method: Example 1: CSharp using System; using System.Collections.Generic; public class GFG { public static void Main () { try { String [] myArr = {"Sun", "Mon", "Tue", "Thu"}; Console.WriteLine ("Initial Array:"); PrintIndexAndValues (myArr); string value = … WebWorking of C# String IndexOf () Method Whenever there is a need to find the position or index of the first occurrence of the character or a string in the given... The instance of the string in which the first occurrence of the … how to save the gmail icon to my desktop