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📄 正则表达式30分钟入门教程 - gtzhou google groups.htm

📁 30分钟内让你明白正则表达式是什么
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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
  <TBODY>
  <TR vAlign=top>
    <TD class=maincell>
      <TABLE cellSpacing=0 cellPadding=0 border=0>
        <TBODY>
        <TR vAlign=top>
          <TD width=132><A href="http://groups.google.com/"><IMG 
            style="POSITION: relative; TOP: 1px" height=26 
            alt="Google Groups Home" 
            src="正则表达式30分钟入门教程 - GTZHOU  Google Groups.files/groups_bar.gif" 
            width=132 border=0></A></TD></TR></TBODY></TABLE></TD>
    <TD class="maincell gbar" vAlign=top noWrap align=right><NOBR><A class=on 
      id=myg_lnk href="http://groups.google.com/">Recently Visited 
      Groups</A><IMG 
      class="noscripthide scripthide script12hide script13inline mrgl2" 
      id=myg_img style="MARGIN-TOP: -1px; POSITION: relative" height=14 
      src="正则表达式30分钟入门教程 - GTZHOU  Google Groups.files/mygroups_lt.gif" width=14 
      align=absMiddle>
      <SCRIPT language=javascript1.3><!--    function MygPopup(el, link_el) {      this.link_el = link_el;      this.el = el;      this.popupOpened = false;      this.mouseOver = false;      this.el.onclick = this.onClick.bind(this);      this.el.onmouseover = this.onMouseOver.bind(this);      this.el.onmouseout = this.onMouseOut.bind(this);      window.onresize = this.onResize.bind(this);      this.ignoreNext = false;    }    MygPopup.prototype.onClick = function(e) {      var e = e || window.event;      if (IsDescendant(this.el, GetEventTarget(e))          && this.popupOpened) {                if (this.ignoreNext) {          this.ignoreNext = false;          return;        }      }      if (!IsDescendant(this.getPopup(), GetEventTarget(e))) {        this.toggle();      }    }    MygPopup.prototype.getPopup = function() {      if (!this.popup_el) {        this.popup_el = document.getElementById('myg_popup');      }      return this.popup_el;    }    MygPopup.prototype.toggle = function() {      this.popupOpened = !this.popupOpened;      var popup = this.getPopup();      if (this.popupOpened) {        popup.style.visibility = "hidden";        popup.style.display = "block";        this.setLeftPos();        popup.style.top = (GetPageOffsetTop(this.el)                           + this.el.offsetHeight) + "px";        this.mouseUpListener = this.onClick.bind(this);        listen(document, "mousedown", this.mouseUpListener);                  this.toggleDocumentControls(1);                popup.style.visibility = "visible";        this.ignoreNext = true;      } else {        unlisten(document, "mousedown", this.mouseUpListener);        this.mouseUpListener = null;                  this.toggleDocumentControls(0);                popup.style.visibility = "hidden";      }      this.updateImage();    }    MygPopup.prototype.updateImage = function() {      if (this.popupOpened) {        this.el.src = "/groups/img/mygroups_down.gif";      } else if (this.mouseOver) {        this.el.src = "/groups/img/mygroups_up.gif";      } else {        this.el.src = "/groups/img/mygroups_lt.gif";      }    }    MygPopup.prototype.onMouseOver = function() {      this.mouseOver = true;      this.updateImage();    }    MygPopup.prototype.onMouseOut = function() {      this.mouseOver = false;      this.updateImage();    }              MygPopup.prototype.toggleDocumentControls = function(hide) {        var selects = document.getElementsByTagName("select");        for (var i = 0; i < selects.length; i++) {          if (hide) {            selects[i].origVisibility = selects[i].style.visibility;            selects[i].style.visibility = "hidden";          } else {            if (selects[i].origVisibility) {              selects[i].style.visibility = selects[i].origVisibility;            } else {              selects[i].style.visibility = "visible";            }          }        }      }        MygPopup.prototype.setLeftPos = function() {      var popup = this.getPopup();              var setLeft = GetWindowWidth(window) - popup.offsetWidth - 5;        popup.style.left = Math.min(setLeft,                                    GetPageOffsetLeft(this.link_el)) + "px";          }    MygPopup.prototype.onResize = function() {      if (this.popupOpened) {        this.setLeftPos();      }    }    var mygPopup = new MygPopup(document.getElementById('myg_img'),                                document.getElementById('myg_lnk'));  //--></SCRIPT>
       | <A href="http://groups.google.com/support?hl=en" target=_blank>Help</A> 
      | <A 
      href="https://www.google.com/groups/signin?cd=US&amp;hl=en&amp;ssip=g3&amp;_done=http%3A%2F%2Fgroups.google.com%2Fgroup%2Fgtzhou%2Fweb%2F%25E6%25AD%25A3%25E5%2588%2599%25E8%25A1%25A8%25E8%25BE%25BE%25E5%25BC%258F30%25E5%2588%2586%25E9%2592%259F%25E5%2585%25A5%25E9%2597%25A8%25E6%2595%2599%25E7%25A8%258B" 
      target=_top>Sign in</A> </NOBR></FONT></TD></TR></TBODY></TABLE></DIV>
<DIV style="BORDER-TOP: #74777f 1px solid"></DIV>
<DIV 
style="PADDING-RIGHT: 10px; PADDING-LEFT: 10px; PADDING-BOTTOM: 4px; PADDING-TOP: 4px; BACKGROUND-COLOR: #d2d4c2">
<TABLE class="grhdr " cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR vAlign=center>
    <TD class=padr10 width=42 height=42>
      <DIV style="OVERFLOW: hidden; WIDTH: 42px; HEIGHT: 42px"><IMG class="" 
      style="FILTER: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/group/gtzhou/icon?hl=en', sizingMethod='scale')" 
      height=42 alt="" 
      src="正则表达式30分钟入门教程 - GTZHOU  Google Groups.files/dot_clear.gif" width=42> 
      </DIV>
    <TD>
      <DIV class=ghgrn><A class=ln 
      href="http://groups.google.com/group/gtzhou">GTZHOU</A> </DIV>
    <TD style="PADDING-LEFT: 35px" align=right>
      <SCRIPT><!--                function sg() {                  document.gs3.q.value = document.gs2.q.value;                  document.gs3.submit();                }              //--></SCRIPT>

      <FORM name=gs2 action=/group/gtzhou/search method=get>
      <TABLE cellSpacing=0 cellPadding=0>
        <TBODY>
        <TR>
          <TD><INPUT type=hidden value=gtzhou name=group><INPUT 
            style="WIDTH: 25ex" maxLength=2048 name=q> </TD>
          <TD class=padl5><INPUT class=bt style="WIDTH: 100%" type=submit value="Search this group" name=qt_g> 
          </TD>
          <TD class=padl5><INPUT class=bt style="WIDTH: 100%" onclick=sg(); type=button value="Search Groups" name=qt_s> 
          </TD></TR></TBODY></TABLE></FORM>
      <FORM class=hide name=gs3 action=/groups/search method=get><INPUT 
      type=hidden value=1 name=qt_s> <INPUT type=hidden maxLength=2048 name=q> 
      </FORM></TD></TR></TBODY></TABLE></DIV>
<DIV style="BORDER-TOP: #74777f 1px solid"></DIV>
<DIV class=rf style="WIDTH: 32ex">
<DIV class=overflow-hide 
style="MARGIN-TOP: -1px; Z-INDEX: 1; MARGIN-LEFT: -1px; POSITION: absolute">
<DIV class="mrgl1 overflow-hide" style="WIDTH: 32ex; BACKGROUND-COLOR: #d2d4c2">
<DIV class="padb10 padr10">
<DIV class=rnsecs>
<TABLE>
  <TBODY></TBODY></TABLE>
<DIV class=sec><A class=secln 
href="http://groups.google.com/group/gtzhou">Home</A> </DIV>
<TABLE>
  <TBODY></TBODY></TABLE>
<DIV class=sec>
<DIV><A class=seclnact 
href="http://groups.google.com/group/gtzhou/topics">Discussions</A> </DIV></DIV>
<TABLE>
  <TBODY></TBODY></TABLE>
<TABLE>
  <TBODY></TBODY></TABLE>
<TABLE>
  <TBODY></TBODY></TABLE>
<DIV class=selsec><A class=seclnact 
href="http://groups.google.com/group/gtzhou/web">Pages</A> 
<DIV class=actlns></DIV></DIV>
<TABLE>
  <TBODY></TBODY></TABLE>
<DIV class=sec><A class=secln 
href="http://groups.google.com/group/gtzhou/files">Files</A> </DIV>
<DIV class="mrgt5 mrgl10" style="BORDER-BOTTOM: #74777f 1px solid"></DIV>
<DIV class=padt10></DIV>
<DIV class=sec><A class=seclnlt 
href="http://groups.google.com/group/gtzhou/about">About this group</A> </DIV>
<DIV class=sec><A class=seclnlt 
href="http://groups.google.com/group/gtzhou/subscribe">Join this group 

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