PHP email Validation of IBM email only, (World wide) -

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i pretty new php, how validate email address have ibm domain only? valid address are:

xxxxx@us.ibm.com xxxxx@in.ibm.com xxxxx@ro.ibm.com xxxxx@ibm.com

the php should able accept of above.

please help

thanks

split on @ verify regex.

list($username,$domain) = explode('@',$email); if (preg_match('/ibm\.com$/',$domain)) {    echo "yup it's ibm."; }

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