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<?php $s = 'thearea:北京/北京市/石景山区:9'; $s = preg_replace_callback("/^.+?:(.+?):.+?$/", function($match) { return $match[1]; }, $s); echo $s;
Output for rfc.property-hooks, git.master, git.master_jit
北京/北京市/石景山区

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