标题:正则表达式判断email和URL,帮忙看看有没有要补充的.
时间:2006-12-13 来源:不详 浏览数:次
<body onload="f.a.select();">
<?php
echo 'a:'.htmlspecialchars($a);
echo '<br>a1:';
$a1 = eregi_replace('(^[_.][:alnum:]-]+@([[:alnum:]][[:alnum:]-]*.)+[[:alpha:]]{2,3}$)',' <a href="mailto:\1">\1</a> ', $a) ;
echo htmlspecialchars($a1);
echo "<br>a1:$a1";
echo '<br>a2:';
$a2 = eregi_replace('([[:alnum:]]+://([[:alnum:]][[:alnum:]-]*\.)+[[:alpha:]]{2,3}([#\?/\\][^#\?/\\][:space:]][^[:space:]]*)?)',
'<a href="\1" target="_blank">\1</a>', $a);
echo htmlspecialchars($a2);
echo "<br>a2:$a2";
// eregi('^[_.][:alnum:]-]+@([[:alnum:]][[:alnum:]-]*\.)+[[:alpha:]]{2,3}$',$a) or die("not a email");
?>
<form name="f">
<input name="a" value="<?php echo $a; ?>">
<input type="submit" >
</form>
</body>
(责任编辑:笑虎)