Simple code example of php regular expression matching Chinese characters

Simple code example of php regular expression matching Chinese characters

<?php
$str = &#39;i love you, 中国&#39;;
// $str = &#39;i love you, &#39;;
// if(preg_match(&#39;/[\x7f-\xff]/i&#39;,$str)) { //
if(preg_match(&#39;/[\x{4e00}-\x{9fa5}]+/u&#39;,$str)) { // 可以没有花括号, /[\x4e00-\x9fa5]+/u
	echo &#39;字符串中含有中文!&#39;;
} else {
	echo &#39;no&#39;;
}

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