PHP怎么快速找出字符串中匹配的字符(不能用正则)
$tags = "中国,百度中国,人中国,漫画交流"; //固定数据格式$tags_array = explode(',',$tag);$match_result = array(); //匹配的结果foreach($tags_array as $v){ if(strpos($v,'中国') === false){ continue; } $match_result[] = $v;}//输出结果Array( [0] => 中国 [1] => 百度中国 [2] => 人中国)
当然也可以用正则去匹配,我是想知道有没有更快的方法,谢谢大家!
回复讨论(解决方案)
$tags = "中国,百度中国,人中国,漫画交流";preg_match_all('/[^,]*中国[^,]*/',$tags,$m);print_r($m);
Array
(
[0] => Array
(
[0] => 中国
[1] => 百度中国
[2] => 人中国
)
)
这方法行不行?
$keyword = '中国';
$tags = ['中国', '百度中国', '人中国', '漫画交流'];
$match = array_filter($tags, function ($el) use ($keyword) {
return (strpos($el, $keyword) !== FALSE);
});
Array
(
[0] =>中国
[1] =>百度中国
[2] =>人中国
)
$tags = "中国,百度中国,人中国,漫画交流";preg_match_all('/[^,]*中国[^,]*/',$tags,$m);print_r($m);
Array
(
[0] => Array
(
[0] => 中国
[1] => 百度中国
[2] => 人中国
)
) 不能用正则表达式哦
这方法行不行?
$keyword = '中国';
$tags = ['中国', '百度中国', '人中国', '漫画交流'];
$match = array_filter($tags, function ($el) use ($keyword) {
return (strpos($el, $keyword) !== FALSE);
});
Array
(
[0] =>中国
[1] =>百度中国
[2] =>人中国
)
这个可以哦 谢谢
why不能用正则表达式哦?

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