Android authentication phone number, user name regular expression

Verifying the phone number regular expression

Now the number is too much, everything has, then relax the requirements of the Bai

A combination of 11-digit numbers starting with 1

    /**     * Verify mobile phone number     * @param phonenumber Mobile Number     * @return Boolean *     /Public    static Boolean Checkphonenumber ( String phonenumber) {        Pattern pattern=pattern.compile ("^1[0-9]{10}$");        Matcher Matcher=pattern.matcher (phonenumber);        return matcher.matches ();    }

Verify user names, such as 6-to 12-digit alphanumeric combinations

    /**     * Verify user name     * @param username username     * @return Boolean *    /public static Boolean Checkusername ( String username) {        string regex = "([a-za-z0-9]{6,12})";        Pattern p = pattern.compile (regex);        Matcher m = p.matcher (username);        return m.matches ();    }

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Android authentication phone number, user name regular expression