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:Main.java

public static void main(String args[]) {
    String regex = "(\\w++)(\\d\\d)(\\w+)";
    Pattern pattern = Pattern.compile(regex);
    String candidate = "X99 test 55";
    Matcher matcher = pattern.matcher(candidate);

    if (matcher.find()) {
        System.out.println("GROUP 0:" + matcher.group(0));
        System.out.println("GROUP 1:" + matcher.group(1));
        System.out.println("GROUP 2:" + matcher.group(2));
        System.out.println("GROUP 3:" + matcher.group(3));
    } else {/*from w ww  .ja  v  a2s .  c om*/
        System.out.println("NO MATCHES");
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Pattern pattern = Pattern.compile("pattern");
    FileInputStream input = new FileInputStream("file.txt");
    FileChannel channel = input.getChannel();

    ByteBuffer bbuf = channel.map(FileChannel.MapMode.READ_ONLY, 0, (int) channel.size());
    CharBuffer cbuf = Charset.forName("8859_1").newDecoder().decode(bbuf);

    Matcher matcher = pattern.matcher(cbuf);
    while (matcher.find()) {
        String match = matcher.group();
        System.out.println(match);
    }//w w w  .  j  a v  a 2  s  .  co m
}

From source file:Main.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());
    }//from   w  w  w. j a va  2s .co  m

    System.out.println("Done");
}

From source file:Main.java

public static void main(String[] arguments) throws Exception {
    String page = loadPage(arguments[0]);
    Pattern pattern = Pattern.compile("<a.+href=\"(.+?)\"");
    Matcher matcher = pattern.matcher(page);
    while (matcher.find()) {
        System.out.println(matcher.group(1));
    }/*ww  w.  jav  a  2 s. co m*/
}

From source file:MainClass.java

public static void main(String[] av) {
    String regEx = "[+|-]?(\\d+(\\.\\d*)?)|(\\.\\d+)";
    String str = "a b c d e 1 2 3 4.5 ";
    Pattern pattern = Pattern.compile(regEx);
    Matcher m = pattern.matcher(str);
    while (m.find()) {
        for (int i = 0; i <= m.groupCount(); i++) {
            System.out.println("Group " + i + ": " + m.group(i)); // Group i substring
        }//from  ww w  .j  a va  2 s  . co m
    }
}

From source file:PositiveLookBehindExample.java

public static void main(String args[]) throws Exception {
    String regex = "(?<=http://)\\S+";
    Pattern pattern = Pattern.compile(regex);

    String candidate = "The Java2s website can be found at ";
    candidate += "http://www.java2s.com. There, ";
    candidate += "you can find information about some of ";
    candidate += "best example codes";

    Matcher matcher = pattern.matcher(candidate);
    while (matcher.find()) {
        String msg = ":" + matcher.group() + ":";
        System.out.println(msg);/* w ww .  j  a  v a 2  s.co  m*/
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Pattern word = Pattern.compile("\\G\\w+");

    Matcher mat = word.matcher("this is a test 999");
    System.out.println(mat.find());

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Pattern punct = Pattern.compile("\\G\\p{Punct}");

    Matcher mat = punct.matcher("this is a test 999");
    System.out.println(mat.find());

}

From source file:PositiveLookBehindExample.java

public static void main(String args[]) throws Exception {
    String regex = "(?<=http://)\\S+";

    Pattern pattern = Pattern.compile(regex);

    String candidate = "The Java2s website can be found at ";
    candidate += "http://www.java2s.com. There, ";
    candidate += "you can find some Java examples.";

    Matcher matcher = pattern.matcher(candidate);

    while (matcher.find()) {
        String msg = ":" + matcher.group() + ":";
        System.out.println(msg);/*  w ww .ja va 2 s . co m*/
    }
}

From source file:PositiveLookBehindExample.java

public static void main(String args[]) throws Exception {
    String regex = "(?<=http://)\\S+";

    Pattern pattern = Pattern.compile(regex);

    String candidate = "The Java2s website can be found at ";
    candidate += "http://www.java2s.com. There, ";
    candidate += "you can find some best example code for Java.";

    Matcher matcher = pattern.matcher(candidate);

    while (matcher.find()) {
        String msg = ":" + matcher.group() + ":";
        System.out.println(msg);// w  w w.jav a  2  s.c  o  m
    }
}