var myStringNonPascalCase = "hello-there";

    // returns HelloThere
    var myPascalCaseString = myStringNonPascalCase.ToPascalCase();

    var myNonCapitalizedString = "hellomate";

    // returns Hellomate
    var capitalizedString = myNonCapitalizedString.CapitalizeFirstLetter();

    var myWhiteSpaceString = "hello my friend";

    // returns hellomate
    var noWhiteSpacesString = myWhiteSpaceString.RemoveWhiteSpaces();

    var string = ""; //also if string " " or null

    string.RemoveWhiteSpaces();
    string.CapitalizeFirstLetter();
    string.RemoveWhiteSpaces();