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<?php $_content = '$1$2'; preg_match('#(.*)#',$_content, $matches); $_content = preg_replace('#()#', '<span name="iframe_stretch">$0</span>', $_content); echo $_content; var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
<span name="iframe_stretch"></span>$<span name="iframe_stretch"></span>1<span name="iframe_stretch"></span>$<span name="iframe_stretch"></span>2<span name="iframe_stretch"></span>array(2) { [0]=> string(4) "$1$2" [1]=> string(4) "$1$2" }

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