Simple example of using Regular Expressions functionality in String class : Pattern « Regular Expressions « Java

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. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » Regular Expressions » PatternScreenshots 
Simple example of using Regular Expressions functionality in String class
Simple example of using Regular Expressions functionality in String 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.
 */
/**
 * Simple example of using RE functionality in String class.
 @author Ian F. Darwin, http://www.darwinsys.com/
 @version $Id: REString.java,v 1.4 2004/02/23 02:37:34 ian Exp $
 */
public class REString {
  public static void main(String[] argv) {
    String pattern = "^Q[^u]\\d+\\..*";
    String input = "QA777. is the next flight. It is on time.";

    boolean found = input.matches(pattern);

    System.out.println("'" + pattern + "'" +
      (found ? " matches " " doesn't match '"+ input + "'");
  }
}


           
         
  
Related examples in the same category
1. Simple PatternSimple Pattern
2. Pattern MatchPattern Match
3. Pattern SplitPattern Split
4. Another pattern splitAnother pattern split
5. Reg Exp Example
6. PatternConvenience -- demonstrate java.util.regex.Pattern convenience routinePatternConvenience -- demonstrate java.util.regex.Pattern convenience routine
7. Show use of Pattern.CANON_EQShow use of Pattern.CANON_EQ
8. A block of text to use as input to the regular expression matcher
9. Allows you to easily try out regular expressions
10. Regular expressions: start EndRegular expressions: start End
11. Pattern: ResettingPattern: Resetting
12. Pattern: flags Pattern: flags
13. Setting Case Sensitivity in a Regular Expression
14. Use enclosing form
15. Use a character set
16. Adding Comments to a Regular Expression
17. The inline modifier can also contain pattern characters using the form (?x:abc)
18. Use an inline modifier: (?x)a [\\ ] b
19. Use an inline modifier: x)a \\s b
20. Use an inline modifier: a (?x: b)
21. Tabs and newlines in the pattern are ignored as well
22. Compiling a Pattern with Multiple Flags
23. Matching Across Line Boundaries in a Regular Expression
24. Match Duplicate Words
25. Validation Test With Pattern And Matcher
26. Match one or more
27. Matcher.reset: restart
28. Matcher.reset(CharSequence)
29. Matcher.start(): Find the starting point
30. Matcher.start(int) Example
31. Matcher.end(): find the end point
32. Find the end point of the second 'test'
33. Using the find() Method from Matcher
34. Using the find(int) Method
35. Using the lookingAt Method
36. Possessive Qualifier Example
37. Simple Positive Lookahead
38. Finding Every Occurrence of the Letter A
39. Simple Negative Lookahead
40. Simple Positive Lookbehind
41. Regular expression search program
42. Find all matches
43. Implement a pattern matcher for regular expressions
44. Regular expression and CharSequence
45. Regular Expression search and replace program
46. Pattern helper
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.