String.Case

function String.CamelCase(): String; constref;
function String.SnakeCase(): String; constref;
function String.UpperSnakeCase(): String; constref;
function String.KebabCase(): String; constref;
function String.PascalCase(): String; constref;
function String.SentenceCase(): String; constref;
function String.TitleCase(): String; constref;

Returns the string with different forms of capitalization.

Example

var
  str: String = 'HELLO WORLD';
begin
  WriteLn str.TitleCase(); //Prints 'Hello World'
end;

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String.Is

function String.IsURL(): Boolean;
function String.IsEmail(): Boolean;
function String.IsUUID(): Boolean;
function String.IsUUIDV4(): Boolean;
function String.IsRefreshToken(): Boolean;

Checks if a string is a certain “thing” with some predefined regex patterns.