в 10:37, 26 мая 2010

2010-05-26T10:37:30Z

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2010-05-26T07:07:40Z

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==break $url down into three distinct pieces==



<source lang="html4strict">

<?php
$url = "http://www.wbex.ru";
$parts = ereg("^(http://www)\.([[:alnum:]]+)\.([[:alnum:]]+)", $url, $regs);
echo $regs[0];
echo " ";
echo $regs[1];
echo " ";
echo $regs[2];
echo " ";
echo $regs[3];
?>

</source>

==Capturing Text Inside HTML or XML Tags==



<source lang="html4strict">

<?php
$text = "This is some text here \"\".";
ereg("(([^<\"]|[^<]*<[^\/][^<])*(\"[^\"]*\"([^<\"]|[^<]*<[^\/][^<])*)*)?<\/p>", $text, $matches);
echo "Found text: " . $matches[1] . "\n";
?>

</source>

==Displaying elements of $regs array==



<source lang="html4strict">

<?
$url = "http://www.wbex.ru";
$www_url = ereg("^(http://www)\.([[:alnum:]]+)\.([[:alnum:]]+)", $url, $regs);
if ($www_url) :
echo $regs[0];
print " ";
echo $regs[1];
print " ";
echo $regs[2];
print " ";
echo $regs[3];
endif;
?>

</source>

==ereg() function searches a string, returning true if the pattern is found, and false otherwise.==



<source lang="html4strict">

Its syntax is: int ereg(string pattern, string string, [array regs])
The search is case sensitive in regard to alphabetical characters.
Use ereg() to search strings for .ru domains:
<?
$email="a@a.ru";
$is_com = ereg("(\.)(com$)", $email);
print $is_com;
?>

</source>

==ereg.php==



<source lang="html4strict">

<?php
$username = "Test";
if (ereg("([^a-z])",$username)) echo "Username must be all lowercase!";
?>

</source>

==Filling Patterns with ereg==



<source lang="html4strict">

<?php
$s = "m@t.ca";
if (ereg ("([[:alpha:]]+)@([[:alpha:]]+)\.([[:alpha:]]{2,4})", $s, $matches))
{
echo "Regular expression successful. Dumping matches\n";
var_dump ($matches);
}
else
{
echo "Regular expression unsuccessful.\n";
}
?>

</source>

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PHP/String/ereg - История изменений

в 10:37, 26 мая 2010

Admin: 1 версия