2024 C# find index of string in string

C# find index of string in string

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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 WebMar 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

Find text in string with C# - Stack Overflow

WebThe 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. WebJan 20, 2024 · public static string getBetween (string strSource, string strStart, string strEnd) { const int kNotFound = -1; var startIdx = strSource.IndexOf (strStart); if (startIdx … cheap chemist gold coast

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

WebDec 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. 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? … cheap chemostats

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c# - More efficient way to get all indexes of a character in a string ...

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 ... 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); cheap chemsWebMar 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. cheap chenille patches

"WebRemarks. The Predicate is a delegate to a method that returns true if the object passed to it matches the conditions defined in the delegate. The elements of the current List are individually passed to the Predicate delegate, moving forward in the List, starting with the first element and ending with the last element. " - C# find index of string in string

C# find index of string in string

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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).

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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 WebYou 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

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 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 …

WebNov 9, 2024 · 25. You could do this manually or using the IndexOf method. Manually: int index = 43; string piece = myString.Substring (index); Using IndexOf, you can see where the full stop is: int index = myString.IndexOf (".") + 1; string piece = myString.Substring (index); Share. Improve this answer. Follow. 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 …

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. cheap chemo beaniesWebMar 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 … cut seattle jane k buttonWebCalling 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. cheap chenille socksWebJan 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 cut section vs fill sectionWebSep 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 … cut seattle waWebOct 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 … cheap chennai flightsWebDec 14, 2024 · C# string columns = "Column 1\tColumn 2\tColumn 3"; //Output: Column 1 Column 2 Column 3 string rows = "Row 1\r\nRow 2\r\nRow 3"; /* Output: Row 1 Row 2 Row 3 */ string title = "\"The \u00C6olean Harp\", by Samuel Taylor Coleridge"; //Output: "The Æolean Harp", by Samuel Taylor Coleridge Verbatim string literals cut section blender