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javascript 的正则表达式 不支持优先取分组里面的值 有什么解决办法吗
upufo
·
Mar 21, 2016
· 1902 views
This topic created in 3882 days ago, the information mentioned may be changed or developed.
正则: hello src=(.+) yes
内容: hhsdj dskj hello src=value yes
上面的正则只能匹配出 [ hello src=value yes ]
如果我想要取等号后面的 value 这个字符串 应该怎么写呢?
src
正则
value
yes
2 replies
•
2016-03-21 09:07:30 +08:00
TTry
Mar 21, 2016
1
1
str.match(regexp)[1]
ppgs8903
Mar 21, 2016
1
2
var re = /hello src=(.+) yes/;
var str = "hhsdj dskj hello src=value yes";
re.exec(str);
alert(RegExp.$1);
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