MysQL extract from an email address LEFT and RIGHT

What is the proper syntax to use to extract from an email address, stored in a column called "email": the information to the left of the @ symbol as one variable, and the information to the right of the the @ symbol until the first "." (some emails have .co.uk)?

so two variables:

$leftOf
$rightOf

thanks,

-hellenica
marcoullisAsked:
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marcoullisAuthor Commented:
oh and after this information is extracted i would like to combine them into a username, such that:

$username = $rightOf + $ leftOf + $id

the last variable is not a problem, its the primary key.

thanks.

-hellenica
friedrbCommented:
Do you want to do it in PHP or have the MySQL server do it?

Here's the MySQL:

create temporary table tmp
select 1 as id, 'wow@test.co.uk' as email   
         
select
  concat(
    substr(email,1,instr(email,'@')-1),
    substr(email,instr(email,'@')+1),
    id
  )  
  as username                  
from         
  tmp

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OCDanCommented:
The above example would return wowtest.co.uk1

Is that what you want or would you need wowtest1?
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marcoullisAuthor Commented:
doesn't there need to be an "INSERT INTO" query?
marcoullisAuthor Commented:
just the wowtest1

:-)
OCDanCommented:
You can select this straight from your users table provided the user field is called email, if not change all instances of email to the field name.
SELECT
concat(
    substr(email,1,instr(email,'@')-1),
   substr(email,instr('@',email)+1 ,instr('.',email)-1-instr('@',email)),
    id
  ) as 'Email', otheruserfields if needed
FROM
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designatedinitializerCommented:
Here's a simple PHP solution for that:

$parts = explode('@',$email);

$emailaccount = $parts[0];
$emaildomain = $parts[1];

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