<?php
$str = 'image22.jpg';
$check = preg_match('/([a-z]+[0-9]*)\.jpe?g$/', $str, $match);
echo $check;
print_r($match);
//echo $match[1];
?>
1Array ( [0] => image22.jpg [1] => image22 )
<?php
$str = 'abcdefg';
$check = preg_match('/abc/', $str);
echo $check;
?>
<?php
$str = '314276539';
$check = preg_match('/427/', $str);
echo $check;
?>
<?php
$str = 'Regex is not too difficult!';
$check = preg_match('/Re.ex/', $str);
echo $check;
?>
<?php
$str = 'Regex is not too difficult!';
$check = preg_match('/Re\.ex/', $str);
echo $check;
?>
<?php
$str = 'php is easy and powerful!';
$check = preg_match('/^php/', $str);
echo $check;
?>
<?php
$str = 'why php is easy and powerful?!';
$check = preg_match('/^php/', $str);
echo $check;
?>
<?php
$str = 'PHP for Web';
$check = preg_match('/Web$/', $str);
echo $check;
?>
<?php
$str = 'PHP for Web?!';
$check = preg_match('/Web$/', $str);
echo $check;
?>
<?php
$str = 'bbb';
$check = preg_match('/^b{1,3}$/', $str);
echo $check;
?>
<?php
$str = 'bbbb';
$check = preg_match('/^b{1,3}$/', $str);
echo $check;
?>
<?php
$str = 'webbbb';
$check = preg_match('/^web{1,3}$/', $str);
echo $check;
?>
<script type="text/javascript">
var str = 'webbbb';
var reg = /^web{1,}$/;
if(reg.test(str)){
alert('مقادیر معتبر است');
}
else{
alert('مقادیر معتبر نیست');
}
</script>
<?php
$str = 'book';
$check = preg_match('/[ab]c*/', $str);
echo $check;
?>
<?php
$str = 'book';
$check = preg_match('/[ad]c*/', $str);
echo $check;
?>
<?php
$str = 'web.a.55';
$check = preg_match('/^[a-z]{3}\.[abc]+\.[0-9]{1}/', $str);
echo $check;
?>
../upload/image.jpg
^\.\.\/upload\/(.*)\.jpe?g$
<?php
$str = '../upload/image.jpg';
$check = preg_match('/^\.\.\/upload\/(.*)\.jpe?g$/', $str, $match);
echo $check;
print_r($match);
//echo $match[1];
?>
Array
(
[0] => ../upload/image.jpg
[1] => image
)
<?php
$str = 'image22.jpg';
$check = preg_match('/[a-z]+[0-9]*\.jpe?g$/', $str, $match);
echo $check;
print_r($match);
//echo $match[1];
?>
Array
(
[0] => image22.jpg
)
<?php
$str = 'image22.jpg';
$check = preg_match('/([a-z]+[0-9]*)\.jpe?g$/', $str, $match);
echo $check;
print_r($match);
//echo $match[1];
?>
Array
(
[0] => image22.jpg
[1] => image22
)
<?php
$str = 'image22.jpg';
$check = preg_match('/([a-z]+([0-9]*))\.jpe?g$/', $str, $match);
echo $check;
print_r($match);
//echo $match[1];
?>
Array
(
[0] => image22.jpg
[1] => image22
[2] => 22
)