StringReplace

function StringReplace(

  const S: string;

  const OldPattern: string;

  const NewPattern: string;

  Flags: TReplaceFlags;

  out aCount: Integer;

  Algorithm: TStringReplaceAlgorithm = sraDefault

):string; overload;

function StringReplace(

  const S: string;

  const OldPattern: string;

  const NewPattern: string;

  Flags: TReplaceFlags;

  Algorithm: TStringReplaceAlgorithm = sraDefault

):string; overload;

function StringReplace(

  const S: unicodestring;

  const OldPattern: unicodestring;

  const NewPattern: unicodestring;

  Flags: TReplaceFlags

):unicodestring; overload;

function StringReplace(

  const S: widestring;

  const OldPattern: widestring;

  const NewPattern: widestring;

  Flags: TReplaceFlags

):widestring; overload;