Expresiones Regulares

Repositorio de expresiones,... nada que no se haya inventado antes.

Expresión /<a href=\s*([^\s]*)\s*>/m
Detalles Extrae todos los enlaces de una en un fichero HTML. Los cuales estarán de la forma <a href="dirección web o link">Lo que sea...</a>.
Origen: http://www.elguille.info/regexp/regExp01.aspx
Autor o Persona que lo enva: Victor De la Rocha
Texto para probar la expresión regular
<html><!-- InstanceBegin template="/Templates/espanol.dwt" codeOutsideHTMLIsLocked="false" -->
<head>
<!-- InstanceBeginEditable name="doctitle" --> 
<title>.:: UNIVERSIDAD DE COLIMA ::.</title>
<!-- InstanceEndEditable --> 
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<!-- InstanceBeginEditable name="head" --> <!-- InstanceEndEditable --> 
<style type="text/css">
<!--
a:link {
	font: 12px arial;
	color: #CC3300;
	text-decoration: none;
}
a:visited {
	font: 12px arial;
	color:#953C00;
	text-decoration: none;
}
a:hover {
	font: 12px Arial, Helvetica, sans-serif;
	color: #FFAA71;
	text-decoration: none;
}
a:active {
	font: 12px arial;
	color: #953C00;
	text-decoration: none;
}

.LigaClara{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-style: normal;
	line-height: normal;
	text-decoration: none;
}
a.LigaClara:link {
	font: 12px arial;
	text-decoration: none;
}
a.LigaClara:visited {
	font: 12px arial;
	text-decoration: none;
}
a.LigaClara:hover {
	font: 12px Arial, Helvetica, sans-serif;
	text-decoration: under;
}
a.LigaClara:active {
	font: 12px arial;
	text-decoration: none;
}

.contenido {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-style: normal;
	line-height: normal;
	color: #006600;
	text-decoration: none;
	text-align: justify;
}
.titulo {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-style: normal;
	font-weight: bold;
	color: #FFFFFF;
}
-->
</style>
<link href="links.css" rel="stylesheet" type="text/css">
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->
</script>
</head>

<body bgcolor="#CCCC66" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<table width="770" border="0" cellspacing="0" cellpadding="0">
  <tr> 
    <td colspan="2" background="../img/fondo-principal.gif"><table width="758" border="0" cellspacing="0" cellpadding="0">
        <tr> 
          <td colspan="2"><table width="100%" border="0" cellpadding="0" cellspacing="0">
              <tr> 
                <td width="81"> <img src="../img/encabezado/img_01.jpg" width="81" height="100" border="0" usemap="#Map" href="#"></td>
                <td width="222"><img src="../img/encabezado/img_03e.jpg" width="222" height="100" border="0" usemap="#Map2"></td>
                <td width="80"><img src="../img/encabezado/img_04.jpg" width="80" height="100"></td>
                <td width="81"><img src="../img/encabezado/img_05.jpg" width="80" height="100"></td>

                <td width="134"><img src="../img/encabezado/img_06.jpg" width="133" height="100"></td>
                <td width="162"><img src="../img/encabezado/img_07.jpg" width="162" height="100"></td>
              </tr>
            </table></td>
        </tr>
        <tr> 
          <td width="200" valign="top" background="../img/encabezado/fondoverdemenu.jpg"> 
            <table width="200" height="100%" border="0" cellpadding="0" cellspacing="0">
              <tr> 
                <td width="200"><img src="../img/encabezado/Pagina-Secundaria_08.jpg" width="200" height="20"></td>

              </tr>
              <tr> 
                <td valign="top" background="../img/encabezado/fondoverdemenu.jpg"> 
                  <p> 
                    <OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
 codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
 WIDTH="190" HEIGHT="380" ALIGN="">
                      <PARAM NAME=movie VALUE="/flash/menuesp.swf">
                      <PARAM NAME=loop VALUE=false>
                      <PARAM NAME=menu VALUE=false>
                      <PARAM NAME=quality VALUE=high>
                      <PARAM NAME=scale VALUE=exactfit>

                      <PARAM NAME=wmode VALUE=transparent>
                      <PARAM NAME=bgcolor VALUE=#FFFFFF>
                      <EMBED src="/flash/menuesp.swf" loop=false menu=false quality=high scale=exactfit wmode=transparent bgcolor=#FFFFFF  WIDTH="190" HEIGHT="380" ALIGN=""
 TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED> 
                    </OBJECT>
                  </p></td>
              </tr>
            </table></td>
          <td width="558" valign="top"> <table width="100%" border="0" cellpadding="0" cellspacing="0" class="contenido">
              <tr> 
                <td colspan="2" bgcolor="#F7B642"> </td>

              </tr>
              <tr> 
                <td width="98%" bgcolor="#F29946"><div align="right"><!-- InstanceBeginEditable name="Titulo" --><span class="titulo">Boletines 
                    informativos </span><!-- InstanceEndEditable --></div></td>
                <td width="2%" bgcolor="#F29946"> </td>
              </tr>
              <tr> 
                <td colspan="2"><br>
                  <!-- InstanceBeginEditable name="contenido" --> 
                  <table width="98%" border="0" align="center" cellpadding="0" cellspacing="0">
                    <tr> 
                      <td class="contenido"><table width="100%" border="0" cellspacing="0" cellpadding="0">

                          <tr> 
                            <td width="53%" valign="top" align="center"> 
                              <font face='Arial' size='3' color='#006600'><b><br>2 de Noviembre de 2006 </b></font></p> <table width='95%' border='0' cellspacing='0' cellpadding='0' bgcolor='#003366'><tr><td>                                    
                        <table width='100%' border='0' cellspacing='1' cellpadding='6' bordercolor='#003366'>
                          <tr> 
                            <td bgcolor='#003366'><div align='center'><font color='#FFFFFF' size='2' face='Arial, Helvetica, sans-serif'><strong>HOY 
                                EN LA UNIVERSIDAD</strong></font></div></td>
                          </tr>
                          <tr><td bgcolor= '#FFFFFF'><font size='1'><font face='Arial' color='#336600'><a  href= 'noticia.php?id=5006 '>SE GRADUÓ LA PRIMERA GENERACIÓN DE LA MAESTRÍA EN ADMINISTRACIÓN DE JUSTICIA</fonr></a></td></tr><tr><td bgcolor= '#FFFFFF'><font size='1'><font face='Arial' color='#336600'><a  href= 'noticia.php?id=5007 '>CERTEZA, TRANSPARENCIA Y RECIPROCIDAD, MÁXIMOS RETOS DE MÉXICO EN ASIA PACÍFICO</fonr></a></td></tr></table></td></tr></table>                              <p>  </p>

                              <p>  </p>
                              <p> </p></td>
                            <td width="47%" align="center" valign="top"> <p> </p>
                              <p> <br>
                                <table width="225" height="75" border="1" cellpadding="3" cellspacing="0" bordercolor="#FF9900">
  <tr bgcolor="CC3333"> 
    <td colspan="7"> <div align="center"><font face="Arial, Helvetica, sans-serif"></font></div>

      <div align="center"></div>
      <div align="center"></div>
      <div align="center"></div>
      <div align="center"></div>
      <div align="center"></div>
      <div align="center"><strong><font color="#FFFFFF"><font size="2" face="Arial, Helvetica, sans-serif">Noviembre</font></font></strong></div></td>
  </tr>
  <tr> 
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Dom</font></strong></font></div></td>

    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Lun</font></strong></font></div></td>
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Mar</font></strong></font></div></td>
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Mié</font></strong></font></div></td>
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Jue</font></strong></font></div></td>
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Vie</font></strong></font></div></td>
    <td bgcolor="#FFCC00"><div align="center"><font face="Arial, Helvetica, sans-serif"><strong><font size="2">Sáb</font></strong></font></div></td>

  </tr><tr><td></td><td></td><td></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=1&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>1</font></div></td><td bgcolor=ffCC00><div align='center'><a href='index.php?dia=2&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>2</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=3&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>3</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=4&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>4</font></div></td></tr><tr><td bgcolor=ffffff><div align='center'><a href='index.php?dia=5&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>5</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=6&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>6</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=7&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>7</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=8&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>8</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=9&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>9</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=10&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>10</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=11&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>11</font></div></td></tr><tr><td bgcolor=ffffff><div align='center'><a href='index.php?dia=12&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>12</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=13&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>13</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=14&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>14</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=15&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>15</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=16&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>16</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=17&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>17</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=18&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>18</font></div></td></tr><tr><td bgcolor=ffffff><div align='center'><a href='index.php?dia=19&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>19</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=20&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>20</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=21&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>21</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=22&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>22</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=23&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>23</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=24&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>24</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=25&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>25</font></div></td></tr><tr><td bgcolor=ffffff><div align='center'><a href='index.php?dia=26&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>26</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=27&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>27</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=28&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>28</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=29&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>29</font></div></td><td bgcolor=ffffff><div align='center'><a href='index.php?dia=30&mes=11&year=2006'><font size='1' face='Arial, Helvetica, sans-serif'>30</font></div></td></tr></table><BR><Br><SELECT NAME="Selection" OnChange="location=(this.options[selectedIndex].value)">

<OPTION VALUE="">Seleccione un mes</OPTION><OPTION VALUE="index.php?dia=2&mes=1&year=2006">Enero</OPTION><OPTION VALUE="index.php?dia=2&mes=2&year=2006">Febrero</OPTION><OPTION VALUE="index.php?dia=2&mes=3&year=2006">Marzo</OPTION><OPTION VALUE="index.php?dia=2&mes=4&year=2006">Abril</OPTION><OPTION VALUE="index.php?dia=2&mes=5&year=2006">Mayo</OPTION><OPTION VALUE="index.php?dia=2&mes=6&year=2006">Junio</OPTION><OPTION VALUE="index.php?dia=2&mes=7&year=2006">Julio</OPTION><OPTION VALUE="index.php?dia=2&mes=8&year=2006">Agosto</OPTION><OPTION VALUE="index.php?dia=2&mes=9&year=2006">Septiembre</OPTION><OPTION VALUE="index.php?dia=2&mes=10&year=2006">Octubre</OPTION><OPTION VALUE="index.php?dia=2&mes=11&year=2006">Noviembre</OPTION><OPTION VALUE="index.php?dia=2&mes=12&year=2006">Diciembre</OPTION></SELECT><SELECT NAME="Selection" OnChange="location=(this.options[selectedIndex].value)">
		<OPTION VALUE="">Año</OPTION><OPTION VALUE="index.php?dia=2&mes=11&year=2003">2003</OPTION><OPTION VALUE="index.php?dia=2&mes=11&year=2004">2004</OPTION><OPTION VALUE="index.php?dia=2&mes=11&year=2005">2005</OPTION></SELECT>                              </p>

                                                            <div align="center"><font size="1" face="Verdana">Usted 
                                es el visitante No.</font><font size="2" face="Verdana"><strong><font color="#990000"> 
                                9855 </font></strong> <font size="1">a 
                                partir del 7 de Mayo del 2002</font>.</font> </div></td>
                          </tr>
                        </table></td>
                    </tr>
                  </table>

                  <!-- InstanceEndEditable --></td>
              </tr>
            </table></td>
        </tr>
        <tr> 
          <td valign="top" bgcolor="#F4F3F0"><img src="../img/encabezado/Pagina-Secundaria_14.jpg" width="200" height="25"></td>
          <td bgcolor="#F4F3F0"> <div align="center"><a href="/"><img src="../img/encabezado/Pagina-Secundaria_16.jpg" width="30" height="29" border="0"></a></div></td>
        </tr>
        <tr> 
          <td valign="top" bgcolor="#F29946"> </td>

          <td bgcolor="#F29946"><font color="#FFFFFF" size="1" face="Arial, Helvetica, sans-serif">© 
            Derechos reservados, Universidad de Colima. Página desarrollada 
            por el despacho editorial de la DIGESET. Última actualización: <!-- InstanceBeginEditable name="Fecha" -->Fecha.<!-- InstanceEndEditable --></font></td>
        </tr>
      </table></td>
  </tr>
  <tr> 
    <td background="../img/sombraabajo.jpg"><img src="../img/sombraabajo.jpg" width="8" height="14"></td>

    <td background="../img/sombraabajo.jpg"><div align="right"><img src="../img/sombraesquina.jpg" width="10" height="14"></div></td>
  </tr>
</table>
<map name="Map">
  <area shape="circle" coords="46,48,35" href="/">
</map>
<map name="Map2">
  <area shape="rect" coords="1,45,221,95" href="/">
</map>
</body>
<!-- InstanceEnd --></html>

			
Emparejamiento de la expresion con el "Texto para probar la expresion regular"