从文本中提取电子邮件地址

从文本中提取电子邮件地址 function IsEMail(EMail: String): Boolean; var s: String; ETpos: Integer; begin ETpos:= pos('@', EMail); if ETpos > 1 then begin s:= copy(EMail,ETpos+1,Length(EMail)); if (pos('.', s) > 1) and (pos('.', s) < length(s)) then Result:= true else Result:= false; end else Result:= false; end; procedure TForm1.Button1Click(Sender: TObject); begin if isemail(Edit1.Text) then begin ShowMessage('eMail-Adresse!'); end; end;