C# find index of string in string

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August undefined, 2024

WebOct 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? … WebMar 9, 2013 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams

c# - Get the index of the nth occurrence of a string? - Stack Overflow

WebPython: Find the position of the second occurrence of a given string in another given string - w3resource C++ Programming 30 - String find function - YouTube c# - How to find first index of a character within a string 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. al155306

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WebOct 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 Web19. You can use string.LastIndexOf to find the last / and then Substring to get everything after it: int index = text.LastIndexOf ('/'); string rhs = text.Substring (index + 1); Note that as LastIndexOf returns -1 if the value isn't found, this the second line will return the whole string if there is no / in the text. Share. al155607

Finding all positions of substring in a larger string in C#

c# - How to get INDEX of word inside a string - Stack Overflow

WebJul 27, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. WebOct 6, 2024 · Form the below string I would like to get the index of the starting number.Please let me know how this can be done in C#.net. For example University of California, 1980-85. ... Find index of number from a string in C#. Ask Question Asked 12 years, 7 months ago. Modified 5 years, 6 months ago. Viewed 55k times 49 Form the … al155228http://csharp.net-informations.com/string/csharp-string-indexof.htm al155836

"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); " - C# find index of string in string

C# find index of string in string

Find text in string with C# - Stack Overflow

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 WebApr 3, 2010 · I saw some people initially used Regex to count, but when the question changed no updates were made. Here is how it can be done with Regex - again, just for fun. The traditional approach is best for simplicity. string input = "dtststx"; char searchChar = 't'; int occurrencePosition = 3; // third occurrence of the char Match match = Regex ...

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WebJan 20, 2024 · public static string getBetween (string strSource, string strStart, string strEnd) { const int kNotFound = -1; var startIdx = strSource.IndexOf (strStart); if (startIdx … WebMar 9, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

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... WebMar 25, 2024 · The String.SubString (x, y) method extracts a sub-string on the basis of the start index x and end index y. We can get the indices of the starting and the ending strings inside the main string with the String.IndexOf () function. We can then extract the text between both strings by passing both words’ indices to the String.SubString () function.

WebJul 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 … 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

Webstring s = "foobarbaz"; int index = s.IndexOf("BAR", StringComparison.CurrentCultureIgnoreCase); // index = 3 . If the string was not found, IndexOf() returns -1. There's no case insensitive version. Use IndexOf instead (or a regex though that is not recommended and overkill).

Webpublic static IEnumerable GetAllIndexes (this string source, string matchString) { matchString = Regex.Escape (matchString); foreach (Match match in Regex.Matches (source, matchString)) { yield return match.Index; } } If you do need to reuse the expression then compile it and cache it somewhere. al158166.1WebThe String IndexOf() method returns the index of the first occurrence of the specified character/substring within the string. In this tutorial, we will learn about the C# String IndexOf() method with the help of examples. al158904WebMar 23, 2013 · Here is an example console app: static void Main (string [] args) { String testing = "text that i am looking for"; Console.Write (testing.IndexOf ("looking") + Environment.NewLine); Console.WriteLine (testing.Substring (testing.IndexOf ("looking"))); Console.ReadKey (); } This will output: 15 looking for Share Improve this answer Follow al155806WebDec 19, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. al158036WebNov 14, 2014 · I am trying to get the index number of a string within a List. I tried the following code: List Markets = new List () {"HKG", "TYO", "NSE", "STU", "FRA", "LON", "SIN", "MIL", "TSE", "ASX", "STO", "AEX", "MEX", "NSE", "EPA", "SWX", "CVE", "BRU", "SWX"}; int index = Markets.FindIndex ("HKG"); The following errors … al158922WebJul 28, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. al158423WebMar 4, 2016 · When call Substring you should not start from 0, but from the index found: String name = "texthere^D123456_02"; int indexTo = name.LastIndexOf ('_'); if (indexTo … al155982