我已经在网络上搜索了一种方法,到目前为止,我只遇到了示例,这些示例实际上不符合我正在寻找的标准...
我想提取在"接收到:传输的信息"之间出现的字符串
通常,字符串将显示为:
2014-01-23 13:26:13-吉姆超人从: jim.superman@superheroes.com
请bla bla bla,我们需要一个新的超级英雄
经理的超级管理人测试BLA BLA [WAWA]
传输的信息
听起来像一个简单的子字符串:
var str = ...; // Where ever it came from
str = str.substring(
str.indexOf("received from:") + "received from:".length,
str.lastIndexOf("The information transmitted"));
console.log(str); // Check the results
请注意如何将长度添加到"收到:"。因此,这是您的输出中未包含的文本。
正则态度如何?
str = "2014-01-23 13:26:13 - Jim Superman received from: JIM.superman@superheroes.com..."
/(?: received from: (.*?) The information transmitted)/.exec(str)[1]
您可以这样做:
var text = "...";
var fromText = "received from:";
var endText = "The information transmitted";
var extractedText = text.substring(text.indexOf(fromText) + fromText.length,
text.indexOf(endText));
您也可以做到这一点:
var extractedText = /breceived from:(.*?)bThe information transmittedb/.exec(text)[1];