Use javascript to find email address in a string

Question

What I am trying to do is to extract email address out of the string SomeName, First (First.SomeName@usa.mywebsite1.com)

Here is the code that I already tried:

 var stringToSearchIn="SomeName, First (First.SomeName@usa.mywebsite1.com)";


 var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;

var extractedEmail=re.exec(stringToSearchIn);

The variable extractedEmail in the code returns a null.

possible duplicate http://stackoverflow.com/questions/11312662/regex-for-email-matching — Walialu, Feb 28 '13 at 16:45
If the string is always in this format, why not just use `(` and `)` as delimiters? No need for a regex then. — Marcel Korpel, Feb 28 '13 at 16:52
@Jay That's a useless edit now, as someone can always retrieve this question's history. — Marcel Korpel, Feb 28 '13 at 17:23
I had changed the email address before posting it. That email address was non existent. — Foo, Feb 28 '13 at 18:20
Next time, when you want to use a fictive email adress, let it end with `@example.com`. — Marcel Korpel, Feb 28 '13 at 19:28

score 7 · Accepted Answer · edited Feb 28 '13 at 16:51

7

I tried this and failed

...is not a very useful description of what happenned. At a guess, the re failed to find a match. An obvious cause for this is the regex you've used here will only match a string which ONLY contains an email address - remove the end anchors (^,$) from the regex and you'll get your email address.

var re = /(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))/;

edited Feb 28 '13 at 16:51

Marcel Korpel

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answered Feb 28 '13 at 16:50

symcbean

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@Foo: You can just use `extractedEmail[0]`. – Marcel Korpel Feb 28 '13 at 16:57
Sorry guys, cannot up vote answer due to lack of reputation points :( – Foo Feb 28 '13 at 17:03

score 2 · Answer 2 · edited Feb 28 '13 at 17:18

2

No need for a regex here. If the string is always of the format

Name (email)

You can simply use ( as delimiter:

var stringToSearchIn="SomeName, First (First.SomeName@usa.mywebsite1.com)";

var extractedEmail = stringToSearchIn.substr(stringToSearchIn.indexOf('(') + 1).slice(0, -1);

edited Feb 28 '13 at 17:18

Jay Walker

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answered Feb 28 '13 at 17:07

Marcel Korpel

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score 0 · Answer 3 · answered Aug 27 '13 at 02:37

This one works for me.

var searchInThisString ="SomeName, First (First.SomeName@usa.mywebsite1.com) SomeName2, First2 (First2.SomeName2@usa.mywebsite1.com)";

var foundEmails =[];

var emailRegex = /(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))/;

var gotcha;

while (match = emailRegex.exec(searchInThisString)){

     //-- store in array the found match email
     foundEmails.push(match[0]);

    //-- remove the found email and continue search if there are still emails
    searchInThisString= searchInThisString.replace(match[0],"")
}

alert(foundEmails.join(" "))

Who is `gotcha` and why is `match` global? – Alexandru Severin Jul 23 '15 at 08:58 — Alexandru Severin, Jul 23 '15 at 08:58

simple-thomas · Answer 4 · 2013-02-28T17:06:52.370

-1

Try this regex

@"^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$"

This will accept any of the following:

email@email.com
email@email.email.com
email@email.email.email.com

and so on...

edited Feb 28 '13 at 17:06

answered Feb 28 '13 at 16:49

simple-thomas

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I haven't tested to see if this works, and I'm not going to. It could be a very useful regex, but you haven't explained at all *why* this could be a very useful regex. – zzzzBov Feb 28 '13 at 16:52
It won't solve the OP's problem and there are multiple issues with the validation of the address using this - it will only match something which looks vaguely like an email address – symcbean Feb 28 '13 at 16:53

Use javascript to find email address in a string

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