官方的正则表达式组件 RegularExpressions (5) : 强测试

unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;



type

  TForm1 = class(TForm)

    Memo1: TMemo;

    Button1: TButton;

    procedure Button1Click(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



uses RegularExpressions, msxml;



const

  patternUrl    = 'http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?'; //URL地址

  patternEmail  = '\w+([-+.'']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*'; //Email地址

  patternTel    = '(\(\d{3}\)|\d{3}-)?\d{8}';                      //电话号码

  patternIDCard = '\d{17}[\d|X]|\d{15}';                           //身份证号码





{获取网页源码的函数}

function GetWebPageText(const AUrl: string): string;

begin

  with CoXMLHTTP.Create do begin

    open('Get', AUrl, False, EmptyParam, EmptyParam);

    send(EmptyParam);

    Result := responseText;

  end;

end;



procedure TForm1.Button1Click(Sender: TObject);

var

  txt,url: string;

  match: TMatch;

begin

  Memo1.Clear;

  url := 'http://www.google.com.hk/search?hl=zh-TW&source=hp&biw=1440&bih=796&q=Email+%E7%94%B5%E8%AF%9D+%E8%BA%AB%E4%BB%BD%E8%AF%81&btnG=Google+%E6%90%9C%E5%B0%8B&aq=f&aqi=&aql=&oq=';

  txt := GetWebPageText(url);



  for match in TRegEx.Matches(txt, patternUrl) do Memo1.Lines.Add(match.Value);

  Memo1.Lines.Add('--------------------------');

  for match in TRegEx.Matches(txt, patternEmail) do Memo1.Lines.Add(match.Value);

  Memo1.Lines.Add('--------------------------');

  for match in TRegEx.Matches(txt, patternTel) do Memo1.Lines.Add(match.Value);

  Memo1.Lines.Add('--------------------------');

  for match in TRegEx.Matches(txt, patternIDCard) do Memo1.Lines.Add(match.Value);

  Memo1.Lines.Add('--------------------------');

end;



end.

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