检查字符类型 - Code Recipes

;\nvar isInList = symbolList.Contains(c2);\n//isInList is True\n\nConsole.WriteLine(\"isLetter is \" + isLetter);\nConsole.WriteLine(\"isNumber is \" + isNumber);\nConsole.WriteLine(\"isSymbol is \" + isSymbol);\nConsole.WriteLine(\"isInList: \" + isInList);"}

;
var isInList = symbolList.Contains(c2);
//isInList is True

Console.WriteLine("isLetter is " + isLetter);
Console.WriteLine("isNumber is " + isNumber);
Console.WriteLine("isSymbol is " + isSymbol);
Console.WriteLine("isInList: " + isInList);