Node.js: Regular Expression To Get “From: ” and “To: ”

Question

Given this text file:

Received: from unknown (HELO aws-bacon-delivery-svc-iad-1007.vdc.g.com) ([10.146.157.151])
  by na-mm-outgoing-6102-bacon.iad6.g.com with E         


        

Answer 1

Try this:

Code:

//var rePattern = new RegExp(/^Received:(.*)$/);
var rePattern = new RegExp(/^Subject:(.*)$/);

var arrMatches = strText.match(rePattern);

Result:

arrMatches[0] -> Subject: test
arrMatches[1] -> test