Regular Expressions
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<?php
// Example reg001.php
// Simple Regular Expressions in PHP
// Copyright
// Match some sub text inside a text string.
// Example string
$str = "Let's find the Name :<B>Muhammad Imran</B> <table> some table</table>and
some fonts tags of </html>";
// Let's perform the regex
$flag = preg_match("/<B>(.*)<\/B>/", $str, $matches);
// Check if regex was successful
if ($flag = true) {
// Matched something, show the matched string
echo htmlentities($matches['0']);
// Also how the text in between the tags
echo '<br />' . $matches['1'];
} else {
// No Match
echo "Couldn't find a match";
}
?>
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PHP/CURL Book with Examples
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<?php
// Example reg002.php
// Simple Regular Expressions in PHP
// Copyright
// parsing name, email from hotmail contact html page.
// using php function preg_match_all
$str = '
<html>
<body>
<table border=0 cellpadding=0 cellspacing=0 width=100% class="EE"
id="ListTable">
<form name=doaddy action="/cgi-bin/doaddresses" method=POST>
<input type=hidden name="" value="">
<input type=hidden name=_HMaction value="">
<input type=hidden name=i>
<input type=hidden name=IsGroup>
<input type=hidden name=strUsrFltr value="">
<input type=hidden name=strUsrView value="">
<input type=hidden name=strAlphNav value="">
<input type=hidden name=a value=0aee4eac7ebe5d67fa50eb5267e959b02e
b61cb9ba63cb9598857c5a311822e5>
<tr height=26>
<td colspan=6 align=right style="BORDER-TOP:none;COLOR:#8D8D8D">
<font class="K">ALL</font> # A B <a href="java
script:AN("","","C")">C</a> D E F G H I 
;J <a href="javascript:AN("","","K")">K</a> L M N 
;O P Q R S T U V W X Y&n
bsp;Z </td>
</tr>
<tr id="messPrompt">
</tr>
<tr bgcolor=#DBEAF5>
<td width=1% height=24 align=center> <input name=allbox type=
checkbox onClick="CA()"> </td>
<td width=1%> </td>
<td bgcolor=#A0C6E5>
<a href="javascript:AD("addrrev=1&addrsort=nick&strUsrFltr=&strUsr
View=&strAlphNav=")" title="Sort by Name" class="FF">
<img src=" hspace=3 borde
r=0 alt="sorted in ascending order">Name</a>
</td>
<td >
<a href="javascript:AD("addrrev=1&addrsort=email&strUsrFltr=&strUs
rView=&strAlphNav=")" title="Sort by E-Mail" class="FF">E-Mail</a>
</td>
<td>
<font class="FF">Phone</font>
</td>
</tr>
<tr name="" id="13bf6320-da8e-4d40-8759-3c4ab27e36a0">
<td align=center>
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<input type=checkbox name="ADDR13bf6320-da8e-4d40-8759-
3c4ab27e36a0" onClick="CCA(this)" id="hotmail">
</td>
<td width=1%>
</td>
<td nowap>
<a href="#" onclick="javascript:DoAD("","&strUsrView=",event);retu
rn false;">cheema</a>
</td>
<td>
<a href="#" onclick="javascript:DC(event);return false;">cheema@gm
ail.com</a>
</td>
<td>
</td>
</tr>
<tr name="" id="2b151594-b7ed-4994-8953-44ace5bfc483">
<td align=center>
<input type=checkbox name="ADDR2b151594-b7ed-4994-8953-
44ace5bfc483" onClick="CCA(this)" id="hotmail">
</td>
<td width=1%>
</td>
<td nowap>
<a href="#" onclick="javascript:DoAD("","&strUsrView=",event);retu
rn false;">kahlid</a>
</td>
<td>
<a href="#" onclick="javascript:DC(event);return false;">khalid@ya
hoo.com</a>
</td>
<td>
</td>
</tr>
<tr name="" id="e7615392-aac4-45e2-87e8-96afa21eb928">
<td align=center>
<input type=checkbox name="ADDRe7615392-aac4-45e2-87e8-
96afa21eb928" onClick="CCA(this)" id="hotmail">
</td>
<td width=1%>
</td>
<td nowap>
<a href="#" onclick="javascript:DoAD("","&strUsrView=",event);retu
rn false;">khalid, imran</a>
</td>
<td>
<a href="#" onclick="javascript:DC(event);return false;">imran@hot
mail.com</a>
</td>
<td>
</td>
</tr>
<td colspan=5> </td>
</table>
</td>
<tr>
</table>
