Java tutorial
//package com.java2s; import java.awt.Component; import java.io.File; import java.util.regex.Pattern; import javax.swing.JFileChooser; import javax.swing.filechooser.FileFilter; public class Main { public static String showOpenFile(String currentDirectoryPath, Component parent, final String filterRegex, final String filterDescription) { JFileChooser fileChooser = new JFileChooser(currentDirectoryPath); fileChooser.addChoosableFileFilter(new FileFilter() { private Pattern regexPattern = Pattern.compile(filterRegex); public boolean accept(File f) { if (f.isDirectory()) return true; return regexPattern.matcher(f.getName()).matches(); } public String getDescription() { return filterDescription; } }); fileChooser.showOpenDialog(parent); File choosedFile = fileChooser.getSelectedFile(); if (choosedFile == null) return null; return choosedFile.getAbsolutePath(); } }