const regex = /errorDescription\"\:\"(?<errorDescription>[^\"]+).+errorCode\"\:\"(?<errorCode>[^\"]+)/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('errorDescription\\"\\:\\"(?<errorDescription>[^\\"]+).+errorCode\\"\\:\\"(?<errorCode>[^\\"]+)', 'g')
const str = `2016-10-25 12:33:31,926 [http-00000:13111-2] INFO [org.apache.cxf.interceptor.LoggingInInterceptor ?] Inbound Message ----------------------------
ID: 18 Response-Code: 200
Encoding: UTF-8
Content-Type: application/json;charset=UTF-8
Headers: {content-type=[application/json;charset=UTF-8], Date=[Tue, 25 Oct 2016 17:33:30 GMT], Expires=[Thu, 01 Jan 1970 00:00:00 GMT], Set-Cookie=[BrowserId=L8p9Eij0T4Sfp-INSP9zDw;Path=/;Domain=.salesforce;Expires=Sat, 24-Dec-2016 17:33:30 GMT], transfer-encoding=[chunked]}
Payload: {"responseCode":"201","messageId":"704c8163-13d4-42b8-a684-94b9d23e849e",
"lead":[{"responseCode":"201","leadID":null,"errors":[{"errorField":"head","errorDescription":"The value of email is invalid.","errorCode":"Value_Invalid_E400"},{"errorField":"bestTimeToContact","errorDescription":"The value of bestTimeToContact is invalid.","errorCode":"Value_Invalid_E400"}]}]}
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2016-10-25 12:33:31,986 [http-000000:13111-2] INFO [org.apache.cxf.interceptor.LoggingOutInterceptor ?] Outbound Message ---------------------------
ID: 17
Response-Code: 200
Content-Type: application/json
Headers: {Content-Type=[application/json], Date=[Tue, 25 Oct 2016 17:33:31 GMT]}
Payload: {"errors":[{"errorCode":"Value_Invalid_E400","errorDescription":"The value of email is invalid.","errorField":"head"},{"errorCode":"Value_Invalid_E400","errorDescription":"The value of bestTimeToContact is invalid.","errorField":"bestTimeToContact"}]} --------------------------------------`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions