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) throws Exception {
    String input = "123 321 443 52134 432";
    Pattern pattern = Pattern.compile("\\d+");
    Matcher matcher = pattern.matcher(input);
    int i = 0;//from   w  w  w.ja  v a2s .  c o m
    while (matcher.find()) {
        ++i;
    }
    System.out.printf("Matched %d times%n", i);
}

From source file:Test.java

public static void main(String[] args) {
    Pattern p = Pattern.compile("([\\w\\s]+) word");
    Matcher m = p.matcher("Could you test a phrase with some word");
    while (m.find()) {
        System.err.println(m.group(1));
        System.err.println(m.group());
    }/*w w  w  .j  a v  a  2s . c om*/
}

From source file:MatcherGroupParamExample.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("B(ond)");

    String candidateString = "My name is Bond. James Bond.";

    Matcher matcher = p.matcher(candidateString);

    matcher.find();
    String group_0 = matcher.group(0);
    String group_1 = matcher.group(1);
    System.out.println("Group 0 " + group_0);
    System.out.println("Group 1 " + group_1);
    System.out.println(candidateString);

    matcher.find();//w w w  . j  ava2  s  .  c  om
    group_0 = matcher.group(0);
    group_1 = matcher.group(1);
    System.out.println("Group 0 " + group_0);
    System.out.println("Group 1 " + group_1);
    System.out.println(candidateString);
}

From source file:Main.java

public static void main(final String[] args) {
    final String[] lines = new String[] { "1. New", "2. UK", "3. France" };

    final Pattern p = Pattern.compile("\\.\\s+(.*?)\\s+-\\s+(.*)");

    for (final String unparsedText : lines) {
        String newspaper;//  w  ww .j av a 2  s . co  m
        String country;

        final Matcher m = p.matcher(unparsedText);

        if (m.find()) {
            newspaper = m.group(1);
            country = m.group(2);

            System.out.println("Newspaper: " + newspaper + " Country: " + country);
        }
    }
}

From source file:Main.java

public static void main(String[] asd) {
    String sourcestring = "source string to match with pattern";
    Pattern re = Pattern.compile("[^ABC\\s+]");
    Matcher m = re.matcher(sourcestring);
    int mIdx = 0;
    while (m.find()) {
        for (int groupIdx = 0; groupIdx < m.groupCount() + 1; groupIdx++) {
            System.out.println("[" + mIdx + "][" + groupIdx + "] = " + m.group(groupIdx));
        }// w w w. j a va 2s . com
        mIdx++;
    }
}

From source file:Main.java

public static void main(String[] args) {
    String regex = "\\b\\d+\\b";
    StringBuffer sb = new StringBuffer();
    String replacementText = "";
    String matchedText = "";

    String text = "We have 7 tutorials for Java, 2 tutorials for Javascript and 1 tutorial for Oracle.";

    Pattern p = Pattern.compile(regex);
    Matcher m = p.matcher(text);

    while (m.find()) {
        matchedText = m.group();/*  w ww.jav a2  s .c  om*/
        int num = Integer.parseInt(matchedText);
        if (num == 1) {
            replacementText = "only one";
        } else if (num < 5) {
            replacementText = "a few";
        } else {
            replacementText = "many";
        }
        m.appendReplacement(sb, replacementText);
    }

    m.appendTail(sb);
    System.out.println("Old  Text: " + text);
    System.out.println("New Text: " + sb.toString());
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    String duplicatePattern = "\\b(\\w+) \\1\\b";
    Pattern p = Pattern.compile(duplicatePattern);

    int matches = 0;
    String phrase = "this is a test";
    Matcher m = p.matcher(phrase);
    String val = null;
    while (m.find()) {
        val = ":" + m.group() + ":";
        System.out.println(val);
        matches++;/*ww  w .jav  a  2  s  .com*/
    }
}

From source file:MainClass.java

public static void main(String[] args) {
    Matcher m = Pattern.compile("\\w+").matcher("Today is Sunday");
    while (m.find())
        System.out.println(m.group());
    int i = 0;//from   w w  w .j ava2s .  c  om
    while (m.find(i)) {
        System.out.print(m.group() + " ");
        i++;
    }
}

From source file:Main.java

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

    CharSequence inputStr = "abc\ndef";
    String patternStr = "abc$";

    // Compile with multiline enabled
    Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE);
    Matcher matcher = pattern.matcher(inputStr);
    boolean matchFound = matcher.find(); // true

    // Use an inline modifier to enable multiline mode
    matchFound = pattern.matches(".*abc$.*", "abc\r\ndef"); // false
    matchFound = pattern.matches("(?m).*abc$.*", "abc\r\ndef"); // true
}

From source file:ValidationTestWithPatternAndMatcher.java

public static void main(String args[]) {
    Pattern p = null;// w  w  w .  ja v  a 2s. c o  m
    try {
        p = Pattern.compile("Java \\d");
    } catch (PatternSyntaxException pex) {
        pex.printStackTrace();
        System.exit(0);
    }

    String candidate = "I love Java 5";
    Matcher m = p.matcher(candidate);

    System.out.println("result=" + m.find());
}