Search results
15 paź 2013 · For arrays you can use: Array.FindIndex<T>: int keyIndex = Array.FindIndex(words, w => w.IsKey); For lists you can use List<T>.FindIndex: int keyIndex = words.FindIndex(w => w.IsKey); You can also write a generic extension method that works for any Enumerable<T>: ///<summary>Finds the index of the first item matching an expression in an enumerable.
7 paź 2020 · 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?
14 lis 2023 · Not only arrays support indices and ranges. You can also use indices and ranges with string, Span<T>, or ReadOnlySpan<T>. Implicit range operator expression conversions. When using the range operator expression syntax, the compiler implicitly converts the start and end values to an Index and from them, creates a new Range instance. The ...
Searches for the specified object and returns the index of its first occurrence in a one-dimensional array or in a range of elements in the array.
Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the range of elements in the Array that starts at the specified index and contains the specified number of elements.
24 sty 2024 · The range operator… It accepts two operands, like x..y. However, either can be omitted. The former operand defines the start index (inclusive), while the latter is for the end index...
24 lut 2019 · Use index to locate an element in sequence, use range to slice sequence. The usage is the same as index/range for array, but with deferred execution for slice with range. Use range to start fluent LINQ query. This enables the index and range to work with any type that implements IEnumerable<T>.
