<?php
$str = '我这是怎么了';
echo preg_replace("/([u4e00-u9fa5].)/","<font color=red>1</font>",$str);
$test = "php编程";
if (preg_match("/^[x{4e00}-x{9fa5}]+$/u",$test)) {
print("该字符串全部是中文");
} else {
print("该字符串不全部是中文");
}
?>
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
- 我这是怎么了
Warning: preg_match(): Compilation failed: range out of order in character class at offset 10 in /in/1p8r0 on line 5
该字符串不全部是中文
preferences:
46.63 ms | 408 KiB | 5 Q