@Beta public final class PatternFilenameFilter extends Object implements FilenameFilter
File name filter that only accepts files matching a regular expression. This class is thread-safe and immutable.
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PatternFilenameFilter(Pattern pattern)
Constructs a pattern file name filter object.
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PatternFilenameFilter(String patternStr)
Constructs a pattern file name filter object.
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public PatternFilenameFilter(String patternStr)
Constructs a pattern file name filter object.
patternStr - the pattern string on which to filter file namesPatternSyntaxException - if pattern compilation fails (runtime)public PatternFilenameFilter(Pattern pattern)
Constructs a pattern file name filter object.
pattern - the pattern on which to filter file namespublic boolean accept(@Nullable File dir, String fileName)
accept in interface FilenameFilter