求正则表达式一条
匹配 非‘H’或者‘C1’开的字符串
[解决办法]

$s = 'Abc Hsd C23 C1rt';
preg_match_all('/\b(?!H
[解决办法]
C1)\w+/', $s, $r);
print_r($r);

Array
(
[0] => Array
(
[0] => Abc
[1] => C23
)

)