Home >Backend Development >PHP Tutorial >(PHP) Regular expression - ignore case
<?php
/**
* Created by PhpStorm.
* User: Ollydebug
* Date: 2015/11/15
* Time: 15:20
*/
/*
* U-懒惰匹配
* i-忽略英文字母大小写
* x-忽略空白
* s-让元字符' . '匹配包括换行符内所有字符
*/
$pattern = '/GoOgle.+123/Ui';
$subject = 'I love google__123123123123123123';
$matches = array();
preg_match($pattern,$subject,$matches);
show($matches);
function show($var){
if(empty($var)){
echo 'null';
}elseif(is_array($var)||is_object($var)){
// array,object
echo '<pre class="brush:php;toolbar:false">';
print_r($var);
echo '';
}else{
//string,int,float
echo $var;
}
}
?>
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