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Editorial Team
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Asked: 2026-06-16T09:04:51+00:00

What would be the regular expressions to extract the name and email from strings

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What would be the regular expressions to extract the name and email from strings like these?

johndoe@example.com
John <johndoe@example.com>
John Doe <johndoe@example.com>
"John Doe" <johndoe@example.com>

It can be assumed that the email is valid. The name will be separated by the email by a single space, and might be quoted.

The expected results are:

johndoe@example.com
Name: nil
Email: johndoe@example.com

John <johndoe@example.com>
Name: John
Email: johndoe@example.com

John Doe <johndoe@example.com>
Name: John Doe
Email: johndoe@example.com

"John Doe" <johndoe@example.com>
Name: John Doe
Email: johndoe@example.com

This is my progress so far:

(("?(.*)"?)\s)?(<?(.*@.*)>?)

(which can be tested here: http://regexr.com/?337i5)

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1 Answer

  1. Editorial Team

    The following regex appears to work on all inputs and uses only two capturing groups:

    (?:"?([^"]*)"?\s)?(?:<?(.+@[^>]+)>?)

    http://regex101.com/r/dR8hL3

    Thanks to @RohitJain and @burning_LEGION for introducing the idea of non-capturing groups and character exclusion respectively.

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