WebThe Contains () method takes the following parameters: str - string which is to be checked comp - ignores or considers case sensitivity Contains () Return Value The Contains () … WebApr 13, 2014 · It copies a string and returns a reference to the new string. So it is always better option to declare criteria.Author.ToLower () outside the query. string lowerAuthor = criteria.Author.ToLower (); returnData = returnData.Where (x => x.Author.ToLower ().Contains (lowerAuthor)); You could also use IndexOf overload with the …

Is the key in a Dictionary case sensitive?

WebJan 7, 2013 · I am using String.Contains to call a method (dosomething) If (txt.Contains(from_string)) Then 'dosomething() End If I am comparing 'txt' with 'from_string' and if 'txt' contains 'from_string' in uppercase I want dosomething to execute but not if it is lowercase. I.e. if txt is "uul" and from ... · Hi blabbermouth, Add one Button to a Form and … WebWhen using the Contains method with nUnit in C# to check if a string contains a substring, you can perform a case-insensitive comparison by using the StringComparison.OrdinalIgnoreCase option.. Here's an example of how to use the Contains method with a case-insensitive comparison in nUnit:. csharp[Test] public void MyTest() { … firetrail small

Как можно сделать case insensitive и concatenated поиск по …

WebMar 10, 2009 · The best way to compare 2 strings ignoring the case of the letters is to use the String.Equals static method specifying an ordinal ignore case string comparison. This is also the fastest way, much faster than converting the strings to lower or upper case and comparing them after that. I tested the performance of both approaches and the ordinal … WebApr 2, 2024 · String value in C# is case-sensitive. That means lower case and upper case texts are considered different when you compare them. But, there are some cases when you need to compare two strings and ignore their case. For … e town townhomes