Regex match after @ but not include and before / but not include

Question

I am a regex noob and I try this for a long time.

case1: postgres://123:123@localhost/123
case2: postgres://123:123@integration/123

I am trying to find a regex that matches after @ and before /

For case 1 will give me localhost, case 2 will give me integration

Thanks!

Answer 1

Just process the match to remove the delimiter(s). There is not much else you can do since JavaScript regex doesn't support lookahead. This should do it.

 var strs = ["postgres://123:123@localhost/123", "postgres://123:123@integration/123"]; strs.forEach(str => console.log(str.match(/(?=@)[^\\/]+/)[0].substr(1))); 

What this does is to return a match that includes the @ and then process that match to remove the delimiter.

You may want to check if there are any matches before you do this to avoid exceptions.

Answer 2

 var test = [ 'postgres://123:123@localhost/123', 'postgres://123:123@integration/123' ]; console.log(test.map(function (a) { return a.match(/@(\\w+)/)[1]; }));