в 10:37, 26 мая 2010

2010-05-26T10:37:30Z

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2010-05-26T07:07:32Z

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==$: anchors a pattern to the end of a line or the end of the string==



<source lang="html4strict">
<?php
$string = " is PHP";
$pattern = "/PHP$/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==A simple use of preg_match()==



<source lang="html4strict">
<?php
$string = "PHP is the web scripting language";
$pattern = "/PHP/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==String match and if statement==



<source lang="html4strict">

<?php
$string = "numbers 42";
$pattern = "/[^0-9]$/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==String match demo: |==



<source lang="html4strict">
<?php
$string = "Cats coat dog date dig daughter catagory";
$pattern = "/cat|dog/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==String match demo: /[cd][oa][gt]/==



<source lang="html4strict">

<?php
$string = "Cats coat dog date dig daughter catagory";
$pattern = "/[cd][oa][gt]/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==String matches: ^ (begine)==



<source lang="html4strict">

<?php
$string = "PHP is ";
$pattern = "/^PHP/";

if(preg_match($pattern, $string))
print("Found a match!");
?>

</source>

==String matches: string start==



<source lang="html4strict">

<?php
$pattern = "/^PHP$/";

$string = " PHP ";
if(preg_match($pattern, $string)){
print("Found a match!");
}

$string = "PHP is ";
if(preg_match($pattern, $string)){
print("This line won"t print!");
}
?>

</source>

==String match for domain name==



<source lang="html4strict">
<?
function simple_dot_com ($url) {
return(ereg("^www\.[a-z]+\.ru$", $url));
}
$urls_to_test =
array("www.ibm.ru", "www.java.sun.ru",
"www.zend.ru", "java.sun.ru",
"www.java.sun.ru", "www.php.net",
"www.IBM.ru",
"www.Web addresses can\"t have spaces.ru");
while($test = array_pop($urls_to_test)){
if (simple_dot_com($test))
print("\"$test\" is a simple dot-com<BR>");
else
print("\"$test\" is NOT a simple dot-com<BR>");

}
?>

</source>

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PHP/String/String Matches - История изменений

в 10:37, 26 мая 2010

Admin: 1 версия