java - all palindrome substrings in a string

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import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import java.util.stream.Collectors; public class _String { /** * Count All Palindrome Sub-Strings in a String * * http://www.geeksforgeeks.org/count-palindrome-sub-strings-string-set-2/ * * @param str * @return */ public static List<String> all_palindrome_substrings_in_a_string(String str){ return all_substrings_in_a_string(str).stream() .filter(s -> s.length() > 1 && s.length() < str.length() && is_palindrome(s)) .collect(Collectors.toList()); } }

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