Example usage for java.util.regex Pattern matcher

Introduction

In this page you can find the example usage for java.util.regex Pattern matcher.

Prototype

public Matcher matcher(CharSequence input)

Source Link

Document

Creates a matcher that will match the given input against this pattern.

Usage

From source file:Main.java

public static String replaceBlank(String str) {
    if (str == null) {
        return null;
    }//from   w  ww .  j av  a2  s.  co m
    Pattern p = Pattern.compile("\\s*|\t|\r|\n");
    Matcher m = p.matcher(str);
    String after = m.replaceAll("");
    return after;
}

From source file:Main.java

public static boolean isNumber(String number) {
    boolean flag = false;
    try {//  w  ww .j  av a  2  s  .  c om
        Pattern p = Pattern.compile("[0-9]+");
        Matcher m = p.matcher(number);
        flag = m.matches();
    } catch (Exception e) {
        flag = false;
    }
    return flag;
}

From source file:Main.java

public static boolean isData(String number) {
    Pattern pattern = Pattern.compile("^[0-9]*$");
    Matcher m = pattern.matcher(number);
    if (m.matches()) {
        return true;
    } else {/* w w w  .j  a va  2 s .  c om*/
        return false;
    }
}

From source file:Main.java

public static boolean isEmailValid(String email) {
    if (isEmpty(email)) {
        return false;
    }//from  w  w  w . ja  v  a 2 s  .  c o  m
    String regex = "[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])?";
    Pattern p = Pattern.compile(regex);
    Matcher matcher = p.matcher(email);
    return matcher.matches();
}

From source file:Main.java

public static String replaceSymbol(String str) {
    String dest = "";
    if (str != null) {
        // Pattern p = Pattern.compile("\\s*|\t|\r|\n");
        Pattern p = Pattern.compile("\t|\r|\n");
        Matcher m = p.matcher(str);
        dest = m.replaceAll("");
    }/*w w w. j av  a  2  s.c om*/
    return dest;
}

From source file:Main.java

public static boolean isContainsChinese(String str) {
    String regEx = "[\u4e00-\u9fa5]";
    Pattern pat = Pattern.compile(regEx);
    Matcher matcher = pat.matcher(str);
    boolean flg = false;
    if (matcher.find()) {
        flg = true;//from ww  w .j a v a2 s .  c o  m
    }
    return flg;
}

From source file:Main.java

public static boolean isMobileNO(String mobiles) {
    if (mobiles == null) {
        return false;
    }//from w ww.jav a 2s.  c  om
    // Pattern p =
    // Pattern.compile("^((1[0-9][0-9])|(15[^4,\\D])|(18[0-9]))\\d{8}$");
    Pattern p = Pattern.compile("^(1)\\d{10}$");
    Matcher m = p.matcher(mobiles);
    return m.matches();
}

From source file:Main.java

public static boolean isDouble(String str) {
    Pattern p = Pattern.compile("^\\d+(\\.\\d+)?$");
    Matcher m = p.matcher(str);
    if (m.matches()) {
        return true;
    }/*from   w  w  w.  j  a  v a 2  s .c om*/
    return false;
}

From source file:Main.java

public static boolean isPasswordValid(String password) {
    if (isEmpty(password)) {
        return false;
    }/*  w w  w  .  j  a va 2  s .  com*/
    String regex = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,20}$";
    Pattern p = Pattern.compile(regex);
    Matcher matcher = p.matcher(password);
    return matcher.matches();
}

From source file:Main.java

public static boolean isChineseChar(String str) {
    boolean temp = false;
    Pattern p = Pattern.compile("[\u4e00-\u9fa5]");
    Matcher m = p.matcher(str);
    if (m.find()) {
        temp = true;//from  ww w.  ja  v a  2s.  c  o  m
    }
    return temp;
}