def filter_only_significant(word):
    """Gets a word which removes insignificant letters at the end of the given
    word::

    >>> pick_significant(u'넥슨(코리아)')
    넥슨
    >>> pick_significant(u'메이플스토리...')
    메이플스토리

    """
    if not word:
        return word
    # Unwrap a complete parenthesis.
    if word.startswith(u'(') and word.endswith(u')'):
        return filter_only_significant(word[1:-1])
    x = len(word)
    while x > 0:
        x -= 1
        c = word[x]
        # Skip a complete parenthesis.
        if c == u')':
            m = INSIGNIFICANT_PARENTHESIS_PATTERN.search(word[:x + 1])
            if m is not None:
                x = m.start()
            continue
        # Skip unreadable characters such as punctuations.
        unicode_category = unicodedata.category(c)
        if not SIGNIFICANT_UNICODE_CATEGORY_PATTERN.match(unicode_category):
            continue
        break
    return word[:x + 1]
def filter_only_significant(word):
    
    if not word:
        return word
    
    if word.startswith(u'(') and word.endswith(u')'):
        return filter_only_significant(word[1:-1])
    x = len(word)
    while x > 0:
        x -= 1
        c = word[x]
        
        if c == u')':
            m = INSIGNIFICANT_PARENTHESIS_PATTERN.search(word[:x + 1])
            if m is not None:
                x = m.start()
            continue
        
        unicode_category = unicodedata.category(c)
        if not SIGNIFICANT_UNICODE_CATEGORY_PATTERN.match(unicode_category):
            continue
        break
    return word[:x + 1]
def filter_only_significant ( word ) : if not word : return word # Unwrap a complete parenthesis. if word . startswith ( u'(' ) and word . endswith ( u')' ) : return filter_only_significant ( word [ 1 : - 1 ] ) x = len ( word ) while x > 0 : x -= 1 c = word [ x ] # Skip a complete parenthesis. if c == u')' : m = INSIGNIFICANT_PARENTHESIS_PATTERN . search ( word [ : x + 1 ] ) if m is not None : x = m . start ( ) continue # Skip unreadable characters such as punctuations. unicode_category = unicodedata . category ( c ) if not SIGNIFICANT_UNICODE_CATEGORY_PATTERN . match ( unicode_category ) : continue break return word [ : x + 1 ]
Gets a word which removes insignificant letters at the end of the given
    word::

    >>> pick_significant(u'넥슨(코리아)')
    넥슨
    >>> pick_significant(u'메이플스토리...')
    메이플스토리
Gets a word which removes insignificant letters at the end of the given word ::