WebFeb 1, 2009 · There were a number of suggestions from an earlier similar question "Best way to test for existing string against a large list of comparables".Regex might be sufficient for your requirement. The expression would be a concatenation of all the candidate substrings, with an OR " " operator between them.Of course, you'll have to watch out for … Web3. If yoou use Contains, you could get false positives. Suppose you have a string that contains such text: "My text data Mdd LH" Using Contains method, this method will return true for call. The approach is use equals operator: bool exists = myStringList.Any (c=>c == "Mdd LH") Share. Improve this answer.
How to Check if String contains Specified Character in C#? - TutorialKart
WebTo check if a string str contains specified character value, or say if specified character is present in the string, use C# String.Contains (Char) method. Call Contains () method on … WebOct 28, 2016 · Get all string values from database that are satisfying given conditions. Create random code that has 6 digits, but it is a string value. Check if generated code exists in list of strings. If it does preform generating of code again, and do it until you find unique string that does not exists in list of strings. When you find one, return it. ray ban men in black
C#文件管理常见方法汇总 - 爱站程序员基地-爱站程序员基地
WebJul 5, 2024 · 通过File类实现文件的创建/删除/读取/写入.#region 通过File类对文件操作//@表示字符串内转义符视为普通字符string path = @\'E:\\C# ... WebMay 22, 2012 · 0. you could set the database as IEnumberable and use linq to check if the values exist. check out this link. LINQ Query on Datatable to check if record exists. the example given is. var dataRowQuery= myDataTable.AsEnumerable ().Where (row => ... you could supplement where with any. WebApr 6, 2010 · (String.Contains) If the rules are more difficult then the Regex approach becomes the only way without fully processing the list or writing a heap of rules. If you are checking for many items against the same string you'll want to just transform the string into a list which you cache and then check against. simple phrases in greek