Show case control using Regular Expressions class. : Basic Regular Expressions « Regular Expressions « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JavaFX
25.JDK 6
26.JDK 7
27.JNDI LDAP
28.JPA
29.JSP
30.JSTL
31.Language Basics
32.Network Protocol
33.PDF RTF
34.Reflection
35.Regular Expressions
36.Scripting
37.Security
38.Servlets
39.Spring
40.Swing Components
41.Swing JFC
42.SWT JFace Eclipse
43.Threads
44.Tiny Application
45.Velocity
46.Web Services SOA
47.XML
Java » Regular Expressions » Basic Regular Expressions 




Show case control using Regular Expressions class.
Show case control using Regular Expressions class.
  

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Show case control using RE class.
 
 @author Ian F. Darwin, http://www.darwinsys.com/
 @version $Id: CaseMatch.java,v 1.4 2004/02/09 03:33:41 ian Exp $
 */
public class CaseMatch {
  public static void main(String[] argv) {
    String pattern = "^q[^u]\\d+\\.";
    String input = "QA777. is the next flight. It is on time.";

    Pattern reCaseInsens = Pattern.compile(pattern,
        Pattern.CASE_INSENSITIVE);
    Pattern reCaseSens = Pattern.compile(pattern);

    boolean found;
    Matcher m;
    m = reCaseInsens.matcher(input)// will match any case
    found = m.lookingAt()// will match any case
    System.out.println("IGNORE_CASE match " + found);

    m = reCaseSens.matcher(input)// Get matcher w/o case-insens flag
    found = m.lookingAt()// will match case-sensitively
    System.out.println("MATCH_NORMAL match was " + found);

  }
}

           
         
    
  














Related examples in the same category
1.Meta-characters to match against certain string boundaries
2.Characters classes specifies a list of possible characters
3.POSIX character classes and Java character classes
4.Character Class Matches
5.Greedy Operator Description
6.Reluctant (Lazy) Operator Description
7.Displays directory listing using regular expressionsDisplays directory listing using regular expressions
8.Like Regular Expression Demo in a TextFieldLike Regular Expression Demo in a TextField
9.StringConvenience -- demonstrate java.lang.String convenience routineStringConvenience -- demonstrate java.lang.String convenience routine
10.Split a String into a Java Array of Strings divided by an Regular ExpressionsSplit a String into a Java Array of Strings divided by an Regular Expressions
11.Simple example of using Regular Expressions class.Simple example of using Regular Expressions class.
12.Match the Q[^u] pattern against strings from command line
13.demonstrate Regular Expressions: Match -> group()demonstrate Regular Expressions: Match -> group()
14.Matcher and Pattern demoMatcher and Pattern demo
15.Matcher and Pattern demo 2Matcher and Pattern demo 2
16.Standalone Swing GUI application for demonstrating Regular expressions.Standalone Swing GUI application for demonstrating Regular expressions.
17.Regular Expressions in Action
18.Match SQL string
19.Display all URLs in a web page by matching a regular expression that describes the HTML tag
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.