public class RegexFileFilter extends AbstractFileFilter implements java.io.Serializable
See java.util.regex.Pattern for regex matching rules
e.g.
File dir = new File(".");
FileFilter fileFilter = new RegexFileFilter("^.*[tT]est(-\\d+)?\\.java$");
File[] files = dir.listFiles(fileFilter);
for (int i = 0; i < files.length; i++) {
System.out.println(files[i]);
}
| Modifier and Type | Field and Description |
|---|---|
private java.util.regex.Pattern |
pattern
The regular expression pattern that will be used to match filenames
|
private static long |
serialVersionUID |
| Constructor and Description |
|---|
RegexFileFilter(java.util.regex.Pattern pattern)
Construct a new regular expression filter for a compiled regular expression
|
RegexFileFilter(java.lang.String pattern)
Construct a new regular expression filter.
|
RegexFileFilter(java.lang.String pattern,
int flags)
Construct a new regular expression filter with the specified flags.
|
RegexFileFilter(java.lang.String pattern,
IOCase caseSensitivity)
Construct a new regular expression filter with the specified flags case sensitivity.
|
| Modifier and Type | Method and Description |
|---|---|
boolean |
accept(java.io.File dir,
java.lang.String name)
Checks to see if the filename matches one of the regular expressions.
|
accept, toStringprivate static final long serialVersionUID
private final java.util.regex.Pattern pattern
public RegexFileFilter(java.lang.String pattern)
pattern - regular string expression to matchjava.lang.IllegalArgumentException - if the pattern is nullpublic RegexFileFilter(java.lang.String pattern,
IOCase caseSensitivity)
pattern - regular string expression to matchcaseSensitivity - how to handle case sensitivity, null means case-sensitivejava.lang.IllegalArgumentException - if the pattern is nullpublic RegexFileFilter(java.lang.String pattern,
int flags)
pattern - regular string expression to matchflags - pattern flags - e.g. Pattern.CASE_INSENSITIVEjava.lang.IllegalArgumentException - if the pattern is nullpublic RegexFileFilter(java.util.regex.Pattern pattern)
pattern - regular expression to matchjava.lang.IllegalArgumentException - if the pattern is nullpublic boolean accept(java.io.File dir,
java.lang.String name)
accept in interface java.io.FilenameFilteraccept in interface IOFileFilteraccept in class AbstractFileFilterdir - the file directory (ignored)name - the filenameCopyright (c) 2002-2016 Apache Software Foundation