System.SysUtils.TStringHelper.Join

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Delphi

class function Join(const Separator: string; const Values: array of const): string; overload; static;
class function Join(const Separator: string; const Values: array of string): string; overload; static;
class function Join(const Separator: string; const Values: IEnumerator<string>): string; overload; static;
class function Join(const Separator: string; const Values: IEnumerable<string>): string; overload; static; inline;
class function Join(const Separator: string; const Values: array of string; StartIndex: Integer; Count: Integer): string; overload; static;

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.SysUtils.pas	System.SysUtils	TStringHelper

Description

Joins two or more strings together separated by the given Separator.

begin
  Writeln(String.Join(',', ['String1', 'String2', 'String3']));
  Writeln(String.Join(',', ['String1', 'String2', 'String3'], 1, 2));
end.

Output:

String1,String2,String3
String2,String3

There are five Join overloaded methods:

• The first Join overloaded method concatenates the elements of a constant array, using the specified Separator between each element.
• The second Join overloaded method concatenates all the elements of a string array, using the specified Separator between each element.
• The third Join overloaded method concatenates the elements of an object array, using the specified Separator between each element.
• The fourth Join overloaded method concatenates the elements of a IEnumerable, using the specified Separator between each member.
• The fifth Join overloaded method concatenates the specified elements of a string array, using the specified Separator between each element.

See Also

• System.SysUtils.TStringHelper
• System.SysUtils.TStringHelper.Split