머라카노?

public static String MKGetVersion( Context context ) {

    String version = "";

    try {

      PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);

      version = info.versionName;

    } catch(NameNotFoundException e) { 

    }

    return version;

  }

$phone = "010-1234-5678";

$phone = preg_replace("/[^0-9]*/s", "", $phone);

echo $phone;

// 01012345678

find . -type f -print | xargs egrep "검색어"