Example usage for java.util.regex Matcher find

Introduction

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

Prototype

public boolean find()

Source Link

Document

Attempts to find the next subsequence of the input sequence that matches the pattern.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    String regex = "(\\w+)(\\d\\d)(\\w+)";

    Pattern pattern = Pattern.compile(regex);

    String candidate = "AAA99SuperJava";

    Matcher matcher = pattern.matcher(candidate);

    matcher.find();

    System.out.println(matcher.group(1));
    System.out.println(matcher.group(2));
    System.out.println(matcher.group(3));
}

From source file:MainClass.java

public static void main(String args[]) {
    // Match lowercase words.
    Pattern pat = Pattern.compile("[a-z]+");
    Matcher mat = pat.matcher("www.java2s.com.");

    while (mat.find())
        System.out.println("Match: " + mat.group());
}

From source file:TestRegularExpression.java

public static void main(String[] args) {
    if (args.length < 2) {
        System.out.println("Usage:\n" + "java TestRegularExpression " + "characterSequence regularExpression+");
        System.exit(0);//from w ww.j  a  v  a  2  s  . c o  m
    }
    System.out.println("Input: \"" + args[0] + "\"");
    for (int i = 1; i < args.length; i++) {
        System.out.println("Regular expression: \"" + args[i] + "\"");
        Pattern p = Pattern.compile(args[i]);
        Matcher m = p.matcher(args[0]);
        while (m.find()) {
            System.out.println("Match \"" + m.group() + "\" at positions " + m.start() + "-" + (m.end() - 1));
        }
    }
}

From source file:MatcherEndExample.java

public static void main(String args[]) {
    String candidateString = "My name is Bond. James Bond.";
    String matchHelper[] = { "               ^", "                           ^" };
    Pattern p = Pattern.compile("Bond");
    Matcher matcher = p.matcher(candidateString);

    matcher.find();
    int endIndex = matcher.end();
    System.out.println(candidateString);
    System.out.println(matchHelper[0] + endIndex);

    matcher.find();/* w w  w.j av a  2s.c  o m*/
    int nextIndex = matcher.end();
    System.out.println(candidateString);
    System.out.println(matchHelper[1] + nextIndex);
}

From source file:ReluctantExample.java

public static void main(String args[]) {
    String regex = "(\\d+?)";
    Pattern pattern = Pattern.compile(regex);

    String candidate = "1234";

    Matcher matcher = pattern.matcher(candidate);

    while (matcher.find()) {
        System.out.println(matcher.group());
    }/* w  w w .  jav  a  2s .c  o  m*/
    System.out.println("Done");
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    CharSequence inputStr = "a\rb";
    inputStr = "a\r\nb";
    inputStr = "a\nb";

    String patternStr = "^(.*)$";
    Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE);
    Matcher matcher = pattern.matcher(inputStr);
    while (matcher.find()) {
        String lineWithTerminator = matcher.group(0);

        String lineWithoutTerminator = matcher.group(1);
    }//  w  w  w  .  j  a  va2  s  .  c  o m
}

From source file:Grep.java

public static void main(String args[]) throws Exception {
    String regex = "";
    InputStream in = System.in;

    regex = args[0];/*ww  w. j  a  v a 2s .  com*/
    in = new BufferedInputStream(new FileInputStream(args[1]));
    Pattern p = null;

    p = Pattern.compile(regex);

    BufferedReader buff = new BufferedReader(new InputStreamReader(in));

    String a;
    for (a = buff.readLine(); a != null; a = buff.readLine()) {
        Matcher m = p.matcher(a);
        if (m.find()) {
            System.out.println(a);
        }
    }
}

From source file:MainClass.java

public static void main(String args[]) {
    // create regular expression
    Pattern expression = Pattern.compile("J.*\\d[0-35-9]-\\d\\d-\\d\\d");

    String string1 = "Jack's Birthday is 05-12-75\n" + "Joe's Birthday is 11-04-68\n"
            + "Tom's Birthday is 04-28-73\n" + "Lee" + "s Birthday is 12-17-77";

    // match regular expression to string and print matches
    Matcher matcher = expression.matcher(string1);

    while (matcher.find())
        System.out.println(matcher.group());
}

From source file:Main.java

public static void main(String[] args) {
    Pattern p = Pattern.compile(REGEX);
    Matcher m = p.matcher(INPUT); // get a matcher object
    while (m.find()) {
        System.out.println("start(): " + m.start());
        System.out.println("end(): " + m.end());
    }/*w  w  w . j  a v a 2s .  c o  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    CharSequence inputStr = "a\r\rb"; // Mac
    //inputStr = "a\r\n\r\nb"; // Windows
    //inputStr = "a\n\nb"; // Unix

    String patternStr = "(^.*\\S+.*$)+";
    Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE);
    Matcher matcher = pattern.matcher(inputStr);

    while (matcher.find()) {
        String paragraph = matcher.group();
    }//from   www  . j a  va2s.  com
}