正则匹配结果不完整？

[renzaijiang]

<script>
str='<span style=".." name="bad_words">hello</span> xxx xxx<span style=".." name="bad_words">how are you</span>';
re=/<span[^<]*name="bad_words">(.*?)<\/span>/ig;
alert(re.exec(str));//得到span

</script>
后面how are you那个span 抓不到

[maxwellno1]

刚开始研究正则 不太懂 帮你顶下

[s_liangchao1s]

<script> 
str=' <span style=".." name="bad_words">hello </span>  xxx xxx <span style=".." name="bad_words">how are you </span>'; 
re=/ <span[^>]*name="bad_words">.*?<\/span>/ig; 
while((result = re.exec(str)) != null){
	alert(result[0])
}

</script> 

[BeenZ]

<script>
var str=' <span style=".." name="bad_words">hello </span>  xxx xxx <span style=".." name="bad_words">how are you </span>';
 var rex=/(<span\s.*?\s?)name\s*=\s*"bad_words"(.*?>)/ig;
alert(str.match(rex));
</script>

[renzaijiang]

受教了