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<?php $reg_exp = "/(^<table.+.(?:[n])?(?:.+)?)(<tbody>)/s"; $replace_with = '/1<thead>'; $input = '<table class="table table-bordered table-responsive" style="width: 100%;"> <tbody>'; $final = preg_replace($reg_exp, $replace_with, $input); var_dump($final);
Output for git.master_jit, git.master, rfc.property-hooks
string(9) "/1<thead>"

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