C# find index of string in string
WebThe purpose of C# IndexOf is to find a substring buried in a longer string or within an array of strings. It is used to determine if a string contains a certain letter, number, or entire word. An IndexOf is usually coupled with a While loop to … WebJan 20, 2024 · public static string getBetween (string strSource, string strStart, string strEnd) { const int kNotFound = -1; var startIdx = strSource.IndexOf (strStart); if (startIdx …
C# find index of string in string
Did you know?
WebMay 14, 2013 · List index = new List (); for (int i = 0; i < txtLines.Count (); i++) { index.Add (i); } now you have a list of int contain index of all txtLines elements. you can call first element of List index by this code : index.First (); Share Follow edited Apr 14, 2024 at 15:05 The_Black_Smurf 5,148 14 53 75 answered May 14, 2013 at 5:29
WebSep 15, 2024 · The IndexOf and LastIndexOf methods also search for text in strings. These methods return the location of the text being sought. If the text isn't found, they … WebMar 10, 2010 · int index = 2; string s = "hello"; Console.WriteLine (s [index]); string also implements IEnumberable so you can also enumerate it like this foreach (char c in s) Console.WriteLine (c); Share Improve this answer Follow answered Mar 10, 2010 at 12:47 Brian Rasmussen 114k 34 221 313
WebCalling IndexOf () returns the start position of the needle, such that index = 9 in this case: int index = haystack.IndexOf (needle); My initial thought was to use LastIndexOf (), but that returns the start index of the last occurrence of the needle in the haystack. WebApr 13, 2010 · Reports the index position of the last occurrence of a specified String within this instance...The search begins at the startIndex character position of this instance and proceeds backwards towards the beginning until either value is found or the first character position has been examined. int index = some_string.LastIndexOf ("something", 1000);
WebJan 21, 2024 · string string1 = "This is an example string and my data is here"; string toFind1 = "my"; string toFind2 = "is"; int start = string1.IndexOf (toFind1) + toFind1.Length; int end = string1.IndexOf (toFind2, start); //Start after the index of 'my' since 'is' appears twice string string2 = string1.Substring (start, end - start); Share
WebC# : How can C#'s string.IndexOf perform so fast, 10 times faster than ordinary for loop find?To Access My Live Chat Page, On Google, Search for "hows tech d... running shoe stores fort worthWebYou can use the IndexOf () method, which takes in a StringComparison type: string s = "foobarbaz"; int index = s.IndexOf ("BAR", StringComparison.CurrentCultureIgnoreCase); // index = 3 If the string was not found, IndexOf () returns -1. Share Improve this answer Follow answered Dec 13, 2011 at 19:06 Marty 7,394 1 31 51 Add a comment 15 running shoe stores fort collinsWebOct 7, 2024 · You can use FindIndex var index = Array.FindIndex (myArray, row => row.Author == "xyz"); Edit: I see you have an array of string, you can use any code to match, here an example with a simple contains: var index = Array.FindIndex (myArray, row => row.Contains ("Author='xyz'")); Maybe you need to match using a regular expression? … scc of base of tongue icd 10WebThe syntax of the C# String IndexOf () method is as follows: public intIndexOf (string string_name); Where string_name is the character or string to be found in the given … running shoe store simpsonville scWebJul 10, 2024 · In C#, IndexOf () method is a string method. This method is used to find the zero-based index of the first occurrence of a specified character or string within the … running shoe stores hamilton ontarioWebJun 30, 2016 · List<> is a lot handier than DataTable, but if your table is huge you might be better off just using dt itself to avoid creating a near-duplicate data structure. It can index just like List<> after all. I say this having made the same mistake in the past and then running into huge data sets. scc of bladderWebOct 7, 2012 · Instead of looping through each character to see if it's the one you want then adding the index your on to a list like so: var foundIndexes = new List (); for (int i = 0; i < myStr.Length; i++) { if (myStr [i] == 'a') foundIndexes.Add (i); } c# Share Improve this question Follow asked Oct 7, 2012 at 3:11 Mark W 3,859 2 36 53 running shoe stores gait analysis