我有这一堆文字,我想返回 ma7jq2s9xgoy
如何在引号之间返回这12个随机代码,如下所示?
rpcService=ma7jq2s9xgoy" class="picker-frame" name="ma7jq2s9xgoy" id="ma7jq2s9xgoy" frameborder="0"></iframe></div><div style="display: none;"
答案 0 :(得分:1)
如果这只是字符串而不是整个HTML集,你可以做某事。像:
var string = 'rpcService=ma7jq2s9xgoy" class="picker-frame" name="ma7jq2s9xgoy" id="ma7jq2s9xgoy" frameborder="0"></iframe></div><div style="display: none;"';
var regex = /name=\"([^"]+)\"/g;
// that is, look for name=" literally, match anything but a double quote
// and store it in a group
var match = regex.exec(string);
alert(match[1]); //ma7jq2s9xgoy
请参阅a JS fiddle here和a demo on regex101.com here。对于整个HTML文档,请考虑使用解析器(jQuery?.attr()
?)