我想求下面代码str中<img标签的数量,但是标签<>中不能包括bbb和ccc这两个字符串,请问用正则该怎么获取到我想到的标签数量
<script>
var str = '<img-aaa-zzz> <img-bbb-zzz> <img-ccc-zzz> <img-aaa-zzz>';
var hits = str.match(/\<img/ig);if (hits){
alert(hits.length);
} else {
alert('0');
}
</script>
<script>
var str = '<img-aaa-zzz> <img-bbb-zzz> <img-ccc-zzz> <img-aaa-zzz>';
var hits = str.match(/\<img/ig);if (hits){
alert(hits.length);
} else {
alert('0');
}
</script>
var length1 = s.spit("aaa");var length2 = s.spit("bbb");
就可以了啊
var reg = /<img\b((?!bbb|ccc)[\w\W])*>/ig;
var str = '<img-aaa-zzz> <img-bbb-zzz> <img-aa-zzz> <img-aaa-zzz>';
var hits = str.match(/<img\b((?!bbb|ccc)[^>])*>/ig);if (hits){
alert(hits.length);
} else {
alert('没有');
}
</script>