Example usage for java.util.regex Pattern compile

Introduction

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

Prototype

public static Pattern compile(String regex)

Source Link

Document

Compiles the given regular expression into a pattern.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("\\d");
    Matcher m1 = p.matcher("55");
    Matcher m2 = p.matcher("fdshfdgdfh");

    System.out.println(m1.pattern() == m2.pattern());
}

From source file:Main.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("t(est)");
    String candidateString = "This is a test. This is another test";
    Matcher matcher = p.matcher(candidateString);

    matcher.find();/*  w ww  .  j ava  2s .  c  om*/
    int startIndex = matcher.start(0);
    System.out.println(candidateString);
    System.out.println(startIndex);

}

From source file:MainClass.java

public static void main(String[] args) {
    Pattern myRE = Pattern.compile("d.*ian");
    Matcher matcher = myRE.matcher("danian devonian dan");
    matcher.lookingAt();//from w  w  w. j a v  a  2  s.  c  o m
    String result = matcher.group(0);
    System.out.println(result);
}

From source file:Main.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("test");
    StringBuffer sb = new StringBuffer();

    String candidateString = "This is a test.";

    String replacement = "Test";
    Matcher matcher = p.matcher(candidateString);
    matcher.find();/*  w  ww. j  a va 2 s. c  o  m*/

    matcher.appendReplacement(sb, replacement);
}

From source file:MainClass.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("(i|I)ce");

    String candidateString = "Ice. ice Ice Ice.";

    Matcher matcher = p.matcher(candidateString);
    String tmp = matcher.replaceAll("Java");

    System.out.println(tmp);//  ww w .ja va  2s  .  co  m
}

From source file:Main.java

public static void main(String args[]) {
    Pattern pat = Pattern.compile("\\b\\w+@XYZ\\.com\\b");

    Matcher mat = pat.matcher("t@XYZ.com\n" + "a@XYZ.com\n" + "n@XYZ.com");

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

From source file:Main.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("\\w(\\d)");
    String candidate = "w5 ";

    Matcher matcher = p.matcher(candidate);
    if (matcher.find()) {
        String tmp = matcher.group(0);
        System.out.println(tmp);/*from  w  ww. ja v a2 s.co  m*/

        tmp = matcher.group(1);
        System.out.println(tmp);
    }
}

From source file:Main.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("t(est)");
    String candidateString = "This is a test. This is another test.";
    Matcher matcher = p.matcher(candidateString);
    // Find group number 0 of the first find
    matcher.find();/*w  w  w  . j  a v  a  2 s . c om*/
    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);

}

From source file:MainClass.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("\\w\\d");
    String candidate = "A6 is my favorite";

    Matcher matcher = p.matcher(candidate);

    if (matcher.find()) {
        String tmp = matcher.group(0);
        System.out.println(tmp);/*ww  w .  j  a  v  a 2s  .  c o m*/
    }
}

From source file:Main.java

public static void main(String args[]) {
    Pattern p = Pattern.compile("(another) (test)");
    StringBuffer sb = new StringBuffer();

    String candidateString = "This is another test.";

    String replacement = "$1 AAA $2";
    Matcher matcher = p.matcher(candidateString);
    matcher.find();/*from w  w w.  j  a  v a2 s .  co m*/

    matcher.appendReplacement(sb, replacement);
    String msg = sb.toString();
    System.out.println(msg);
}