$re = '/sans-serif; color:black\">(.?)/m';
$str = 'age email
33 </style></head><body lang="EN-IN"link="#0563C1" vlink="#954F72">.
<divclass="WordSection1"><p class="MsoNormal"><spanstyle="font-
family:"Calibri",sans-serif; color:black">Iam not interested.
Please unsubscribe me. </span></p><pclass="MsoNormal">
<spanstyle="font-family:"Calibri",sans-serif;color:black">
22 </style></head><body lang="EN-IN"link="#0563C1" vlink="#954F72">
<divclass="WordSection1"><p class="MsoNormal"><spanstyle="font-
family:"Calibri",sans-serif;color:black">Please share company
details</span></p><divclass="MsoNormal" align="center"style="text-
align:center"><hr size="2"width="98%" align="center"></div>
<pclass="MsoNormal">
43 </style></head><body lang="EN-IN"link="#0563C1" vlink="#954F72">
<divclass="WordSection1"><p class="MsoNormal"><spanstyle="font-
family:"Calibri",sans-serif;color:black">Can you send
some project info for west region ofIndia</span></p><p class="MsoNormal">
<spanstyle="font-family:"Calibri",sans-serif;color:black">
38 </style></head><bodylang="EN-IN" link="#0563C1"vlink="#954F72"><div
class="WordSection1"><pclass="MsoNormal"><span style="font-
family:"Calibri",sans-serif;color:black">Price of Mono perc</span>
</p><divclass="MsoNormal" align="center"style="text-align:center"><hr
size="2"width="98%" align="center"></div><pclass="MsoNormal"><b>';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php