Regex Filter 

Apache Commons IO is a java library with simple IO utilities and filters. This requires the library commons-io-2.1.jar to be in classpath. The following example shows using RegexFileFilter filter. It returns TRUE if the file name matches the given regular expression.

File Name  :   com/bethecoder/tutorials/commons_io/tests/filters/RegexFilterTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.commons_io.tests.filters; import java.io.File; import java.io.IOException; import org.apache.commons.io.filefilter.RegexFileFilter; public class RegexFilterTest {   /**    * @param args    * @throws IOException     */   public static void main(String[] args) {     File directory = new File("C:/input");     //Name starting with 't/T' and ending with 'ss'     String[] files = directory.list(new RegexFileFilter("^[tT].*ss$"));     for (String file : files) {       System.out.println(file);     }   } }

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