PHP的正則表達式的幫助，過濾電話號碼

Question

正則表達式大師請我想過濾像2338034444232，07065716184,0816272721。用逗號分隔電話號碼，我希望我的最終產品像2338034444232,2338034444232,2338034444232。

感謝

Answer 1

$userinput=" 
    I believe Mr. Putin's number is 123456789only differing slight 
    from mine 1234567890124. I tried calling him 42 times but he won't answer. 
    "; 

$regex="/[0-9]{13}/"; 

preg_match_all($regex,$userinput,$out); 


foreach($out[0] as $o){ 

    echo $o; 
    echo ", "; 
} 

現在，如果用戶要呼叫普京 1234567890124時候，你就會有一個問題。

這是你尋找的東西嗎？