Verify that the input in Android is Chinese characters and phone number, email authentication, IP address can be verified by port number

1, verify whether it is a Chinese character

Verify that the nickname private Boolean verifynickname () {String nickname = Edt_username.gettext (). toString ();            if (nickname = = NULL | | nickname.length () = = 0) {Edt_username.seterror ("cannot be empty");        return false;        } int len = 0;        char[] Nickchar = Nickname.tochararray ();            for (int i = 0; i < nickchar.length; i++) {if (Ischinese (Nickchar[i])) {len + 2;            } else {len + 1; }} if (Len < 4 | | len >) {edt_username.seterror ("the correct nickname should be \n1, 4-15 characters \n2, 2-7 kanji \n3, not mail            box and mobile phone number ");        return false;    } return true;        Private Boolean Ischinese (char c) {Character.unicodeblock UB = Character.UnicodeBlock.of (c); if (UB = = Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS | | ub = = Character.UnicodeBlock.CJK_COMPATIBILITY_I deographs | |  UB = = Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A              || UB = = Character.UnicodeBlock.GENERAL_PUNCTUATION | | UB = = Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION | |        UB = = Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {return true;    } return false; }

2. Verify the phone number. Mailbox

Infer whether the phone number is    private Boolean isphone (String inputtext) {        pattern P = pattern                . Compile ("^ (13[0-9]) | ( 15[^4,\\D]) | (18[0,0-9])) \\d{8}$ ");        Matcher m = P.matcher (inputtext);        return m.matches ();    }    Infer whether the format is e-mail public    boolean isemail (string email) {        string str = "^ ([a-za-z0-9_\\-\\.] +) @ ((\\[[0-9]{1,3}\\. [0-9] {1,3}\\. [0-9] {1,3}\\.) | ([a-za-z0-9\\-]+\\.) +)) ([a-za-z]{2,4}| [0-9] {1,3}) (\\]?) $";        Pattern p = pattern.compile (str);        Matcher m = p.matcher (email);        return m.matches ();    }

3,IP address can be verified with port number, available with port number (1024-65536)

Private Boolean Matcherip (String IP) {        pattern pattern = pattern.compile ("^ (?! \\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) "                +" \ \. ( (?
!\\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) "                +" \ \. ( (?! \\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) "                +" \ \. ( (?! \\d\\d\\d) \\d+|1\\d\\d|2[0-4]\\d|25[0-5] "                +":((102[4-9]) | ( 10[3-9]\\d) | ([1-5]\\d{3,4}) | (6[0-4]\\d{3}) | (65[0-4]\\d{2}) | (655[0-2]\\d) | (6553[0-5])) $");        Matcher Matcher = Pattern.matcher (IP);        return matcher.matches ();    }

4, Match/* 1234567890 * * ("/*" starts with a numeric space in the middle, ending with "*/")

Pattern pattern = pattern.compile ("/*\\/*\\s*\\d*\\s*\\*/*"); Matcher Matcher = Pattern.matcher ("regular"/*  123   */Hello World, just the form Hello World "); Replace the first regular data System.out.println (Matcher.replaceall (""));

5, regular form of eclipse search often used

1,eclipse Ctrl+f Open the Find box 2. Check Regular expressions (normal form) to remove the/* */(Eclipse)        /\* (. | [\ r \ n]) *?\*/Remove//(Eclipse)             //.*$ Remove import (Eclipse)     import.*$ remove blank line (Eclipse)         ^\s*\n remove empty line (UE)               %[^t]++^p

6, the time display in the video playback progress bar
Minutes
String am = String.Format ("%02d", TTOTAL/60);
Seconds
String as = String.Format ("%02d", ttotal% 60);
Tiempototal.settext (AM + ":" + As);

Verify that the input in Android is Chinese characters and phone number, email authentication, IP address can be verified by port number