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 boolean isNumeric(String str) {
    Pattern pattern = Pattern.compile("[0-9]*");
    Matcher isNum = pattern.matcher(str);
    return isNum.matches();
}

From source file:Main.java

public static String replaceBlank(String str) {
    String dest = "";
    if (str != null) {
        Pattern p = Pattern.compile("\\s*");
        Matcher m = p.matcher(str);
        dest = m.replaceAll("");
    }//from w  w w. j  ava  2 s.  c o  m
    return dest;
}

From source file:Main.java

public static boolean isURL(String string) {
    String regExp = "^[\\w]*://([\\w-]+\\.)+[\\w-]+(/[\\w-./?%&=]*)?$";
    Pattern pattern = Pattern.compile(regExp);
    Matcher matcher = pattern.matcher(string);
    return matcher.find();// boolean
}

From source file:Main.java

public static String getFirstMatch(String html, String pattern) {
    Pattern p = Pattern.compile(pattern);
    Matcher m = p.matcher(html);

    String result = "";
    while (m.find()) {
        result = m.group(1);//from   w  w w  . jav a 2  s . c  o m
        break;
    }
    return result;
}

From source file:Main.java

private static boolean match(String str, String rex) {
    if (null == str || str.trim().length() == 0) {
        return false;
    }//  www.  j  av  a  2  s. c  o  m
    Pattern pattern = Pattern.compile(rex);
    Matcher isNum = pattern.matcher(str);
    return isNum.matches();
}

From source file:Main.java

public static boolean isValidUrl(String input) {
    String URL_REGEX = "^((https?|ftp)://|(www|ftp)\\.)?[a-z0-9-]+(\\.[a-z0-9-]+)+([/?].*)?$";

    Pattern p = Pattern.compile(URL_REGEX);
    Matcher m = p.matcher(input);
    if (m.find()) {
        return true;
    }/* w w w  .  j av a  2 s  .c o m*/
    return false;
}

From source file:Main.java

public static String getParameterFromUrl(String param, String url) {
    Pattern p = Pattern.compile(param + "=([^&]+)");
    Matcher m = p.matcher(url);
    m.find();// www  . j a  va  2  s . c  om
    return m.group(1);
}

From source file:Main.java

public static List<String> collect(String str) {
    List<String> list = new ArrayList<String>();
    Pattern p = Pattern.compile("\\[.+?\\]+");
    Matcher m = p.matcher(str);
    while (m.find())
        list.add(m.group());/*from ww w .j  ava 2s  .c  o m*/
    return list;
}

From source file:Main.java

public static boolean validateFileName(String str) {
    if (str.trim().length() == 0) {
        return false;
    }/*  www . ja  va  2 s .  c  o  m*/
    String strPattern = "[^/\\:*?\"<>|]+";
    Pattern p = Pattern.compile(strPattern);
    Matcher m = p.matcher(str);
    return m.matches();
}

From source file:Main.java

public static boolean verifyEmail(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 pattern = Pattern.compile(str);
    Matcher matcher = pattern.matcher(email);
    return matcher.matches();
}