NAME
Lingua::JA::NormalizeText - All-in-One Japanese text normalizer
SYNOPSIS
use Lingua::JA::NormalizeText;
use utf8;
my @options = ( qw/nfkc decode_entities/, \&dearinsu_to_desu );
my $normalizer = Lingua::JA::NormalizeText->new(@options);
my $text = $normalizer->normalize('鳥が㌧㌦でありんす♥'); # => '鳥がトンドルです♥'
sub dearinsu_to_desu
{
my $text = shift;
$text =~ s/でありんす/です/g;
return $text;
}# or
use Lingua::JA::NormalizeText qw/old2new_kanji/;
use utf8;
my $text = old2new_kanji('惡の華'); # => '悪の華'DESCRIPTION
This module provides a lot of Japanese text normalization options. These options facilitate Japanese text pre-processing.
METHODS
new(@options)
Creates a new Lingua::JA::NormalizeText instance.
The following options are available:
OPTION SAMPLE INPUT OUTPUT FOR SAMPLE INPUT
--------------------- --------------------- -----------------------
lc DdD ddd
uc DdD DDD
nfkc ｶﾞ ガ (U+30AC)
nfkd ｶﾞ ガ (U+30AB. U+3099)
nfc ド ド (U+30C9)
nfd ド ド (U+30C8, U+3099)
decode_entities ♥ ♥
strip_html <em>あ</em> あ
alnum_z2h ＡＢＣ１２３ ABC123
alnum_h2z ABC123 ＡＢＣ１２３
space_z2h \x{3000} \x{0020}
space_h2z \x{0020} \x{3000}
katakana_z2h ハァハァ ﾊｧﾊｧ
katakana_h2z ｽｰﾊｰｽｰﾊｰ スーハースーハー
katakana2hiragana パンツ ぱんつ
hiragana2katakana ぱんつ パンツ
wave2tilde 〜, 〰 ～
tilde2wave ～ 〜
wavetilde2long 〜, 〰, ～ ー
wave2long 〜, 〰 ー
tilde2long ～ ー
fullminus2long － ー
dashes2long — ー
drawing_lines2long ─ ー
unify_long_repeats ヴァーーー ヴァー
nl2space (LF)(CR)(CRLF} (space)(space)(space)
unify_nl (LF)(CR)(CRLF) \n\n\n
unify_long_spaces あ(space)(space)あ あ(space)あ
unify_whitespaces \x{00A0} (space)
trim (space)あ(space)あ(space) あ(space)あ
ltrim (space)あ(space) あ(space)
rtrim ああ(space)(space) ああ
old2new_kana ゐヰゑヱヸヹ いイえエイ゙エ゙
old2new_kanji 亞逸鬭 亜逸闘
tab2space (tab)(tab) (space)(space)
remove_controls あ\x{0000}あ ああ
remove_DFC \x{202E}HOGE HOGE
remove_spaces \x{0020}あ\x{3000}あ\x{0020} ああ
dakuon_normalize さ\x{3099} ざ (U+3056)
handakuon_normalize は\x{309A} ぱ (U+3071)
all_dakuon_normalize さ\x{3099}は\x{309A} ざぱ (U+3056, U+3071)
square2katakana ㌢ センチ
circled2kana ㋙㋛㋑㋟㋑ コシイタイ
circled2kanji ㊩㊫㊚㊒㊖ 医学男有財
decompose_parenthesized_kanji ㈱ (株)The order in which these options are applied is according to the order of the elements of @options. (i.e., The first element is applied first, and the last element is applied last.)
External functions can be added. (See dearinsu_to_desu function of the SYNOPSIS section.)
normalize($text)
normalizes $text.
OPTIONS
lc, uc
These options are the same as CORE::lc and CORE::uc.
nfkc, nfkd, nfc, nfd
See Unicode::Normalize.
decode_entities
See HTML::Entities.
strip_html
Strips HTML tags.
alnum_z2h, alnum_h2z
Converts English alphabet, numbers and symbols ZENKAKU <-> HANKAKU.
ZENKAKU:
！＂＃＄％＆＇（）＊＋，－．／０１２３４５６７８９：；＜＝＞
？＠ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ［＼
］＾＿｀ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ
｛｜｝～｟｠￠￡￢￣￤￥￦HANKAKU:
!"#$%&'()*+,-./0123456789:;<=>
?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\
]^_`abcdefghijklmnopqrstuvwxyz
{|}~¢£¥¦¬¯₩⦅⦆space_z2h, space_h2z
SPACE (U+0020) <-> IDEOGRAPHIC SPACE (U+3000)
katakana_z2h, katakana_h2z
Converts katakanas ZENKAKU <-> HANKAKU.
See Lingua::JA::Regular::Unicode.
hiragana2katakana
INPUT:
ぁあぃいぅうぇえぉおかがきぎくぐけげこごさざしじすずせぜそぞ
ただちぢっつづてでとどなにぬねのはばぱひびぴふぶぷへべぺほぼ
ぽまみむめもゃやゅゆょよらりるれろゎわゐゑをんゔゕゖゝゞOUTPUT FOR INPUT:
ァアィイゥウェエォオカガキギクグケゲコゴサザシジスズセゼソゾ
タダチヂッツヅテデトドナニヌネノハバパヒビピフブプヘベペホボ
ポマミムメモャヤュユョヨラリルレロヮワヰヱヲンヴヵヶヽヾkatakana2hiragana
INPUT:
ァアィイゥウェエォオカガキギクグケゲコゴサザシジスズセゼソゾ
タダチヂッツヅテデトドナニヌネノハバパヒビピフブプヘベペホボ
ポマミムメモャヤュユョヨラリルレロヮワヰヱヲンヴヵヶヽヾ
ｦｧｨｩｪｫｬｭｮｯｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝOUTPUT FOR INPUT:
ぁあぃいぅうぇえぉおかがきぎくぐけげこごさざしじすずせぜそぞ
ただちぢっつづてでとどなにぬねのはばぱひびぴふぶぷへべぺほぼ
ぽまみむめもゃやゅゆょよらりるれろゎわゐゑをんゔゕゖゝゞ
をぁぃぅぇぉゃゅょっあいうえおかきくけこさしすせそたちつてと
なにぬねのはひふへほまみむめもやゆよらりるれろわんwave2tilde
Converts WAVE DASH (U+301C) and WAVY DASH (U+3030) into tilde (U+FF5E).
tilde2wave
Converts tilde (U+FF5E) into wave (U+301C).
wavetilde2long
Converts WAVE DASH (U+301C), WAVY DASH (U+3030) and tilde (U+FF5E) into long (U+30FC).
wave2long
Converts WAVE DASH (U+301C) and WAVY DASH (U+3030) into long (U+30FC).
tilde2long
Converts tilde (U+FF5E) into long (U+30FC).
fullminus2long
Converts FULLWIDTH HYPHEN-MINUS (U+FF0D) into long (U+30FC).
dashes2long
Converts the following characters into long (U+30FC).
U+2012 FIGURE DASH
U+2013 EN DASH
U+2014 EM DASH
U+2015 HORIZONTAL BARNote that this option does not convert hyphens into long.
drawing_line2long
Converts the following characters into long (U+30FC).
U+2500 BOX DRAWINGS LIGHT HORIZONTAL
U+2501 BOX DRAWINGS HEAVY HORIZONTAL
U+254C BOX DRAWINGS LIGHT DOUBLE DASH HORIZONTAL
U+254D BOX DRAWINGS HEAVY DOUBLE DASH HORIZONTAL
U+2574 BOX DRAWINGS LIGHT LEFT
U+2576 BOX DRAWINGS LIGHT RIGHT
U+2578 BOX DRAWINGS HEAVY LEFT
U+257A BOX DRAWINGS HEAVY RIGHTunify_long_repeats
Unifies long (U+30FC) repeats.
nl2space
Converts new lines (LF, CR, CRLF) into SPACE (U+0020).
unify_nl
Unifies new lines.
unify_long_spaces
Unifies long spaces (U+0020 and U+3000).
unify_whitespaces
Converts the following characters into SPACE (U+0020).
U+000B LINE TABULATION
U+000C FORM FEED
U+0085 NEXT LINE
U+00A0 NO-BREAK SPACE
U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001 EM QUAD
U+2002 EN SPACE
U+2003 EM SPACE
U+2004 THREE-PER-EM SPACE
U+2005 FOUR-PER-EM SPACE
U+2006 SIX-PER-EM SPACE
U+2007 FIGURE SPACE
U+2008 PUNCTUATION SPACE
U+2009 THIN SPACE
U+200A HAIR SPACE
U+2028 LINE SEPARATOR
U+2029 PARAGRAPH SEPARATOR
U+202F NARROW NO-BREAK SPACE
U+205F MEDIUM MATHEMATICAL SPACENote that this option does not convert the following characters:
U+0009 CHARACTER TABULATION
U+000A LINE FEED
U+000D CARRIAGE RETURN
U+3000 IDEOGRAPHIC SPACEtrim
Removes leading and trailing whitespace.
ltrim
Removes only leading whitespace.
rtrim
Removes only trailing whitespace.
old2new_kana
INPUT OUTPUT FOR INPUT
----- --------------------
ゐ い
ヰ イ
ゑ え
ヱ エ
ヸ イ゙ (U+30A4, U+3099)
ヹ エ゙ (U+30A8, U+3099)old2new_kanji
INPUT:
亞惡壓圍爲醫壹逸稻飮隱營榮衞驛謁圓緣艷鹽奧應橫歐毆黃溫穩假價
禍畫會壞悔懷海繪慨槪擴殼覺學嶽樂喝渴褐勸卷寬歡漢罐觀關陷顏器
既歸氣祈龜僞戲犧舊據擧虛峽挾狹鄕響曉勤謹區驅勳薰徑惠揭溪經繼
莖螢輕鷄藝擊缺儉劍圈檢權獻硏縣險顯驗嚴效廣恆鑛號國穀黑濟碎齋
劑櫻册殺雜參慘棧蠶贊殘祉絲視齒兒辭濕實舍寫煮社者釋壽收臭從澁
獸縱祝肅處暑緖署諸敍奬將涉燒祥稱證乘剩壤孃條淨狀疊讓釀囑觸寢
愼眞神盡圖粹醉隨髓數樞瀨聲靜齊攝竊節專戰淺潛纖踐錢禪曾祖僧雙
壯層搜插巢爭瘦總莊裝騷增憎臟藏贈卽屬續墮體對帶滯臺瀧擇澤單嘆
擔膽團彈斷癡遲晝蟲鑄著廳徵懲聽敕鎭塚遞鐵轉點傳都黨盜燈當鬭德
獨讀突屆繩難貳惱腦霸廢拜梅賣麥發髮拔繁晚蠻卑碑祕濱賓頻敏甁侮
福拂佛倂塀竝變邊勉辨瓣辯舖步穗寶襃豐墨沒飜每萬滿免麵默餠戾彌
藥譯豫餘與譽搖樣謠來賴亂欄覽隆龍虜兩獵綠壘淚類勵禮隸靈齡曆歷
戀練鍊爐勞廊朗樓郞錄灣堯巖晉槇渚猪琢瑤祐祿禎穰聰遙OUTPUT FOR INPUT:
亜悪圧囲為医壱逸稲飲隠営栄衛駅謁円縁艶塩奥応横欧殴黄温穏仮価
禍画会壊悔懐海絵慨概拡殻覚学岳楽喝渇褐勧巻寛歓漢缶観関陥顔器
既帰気祈亀偽戯犠旧拠挙虚峡挟狭郷響暁勤謹区駆勲薫径恵掲渓経継
茎蛍軽鶏芸撃欠倹剣圏検権献研県険顕験厳効広恒鉱号国穀黒済砕斎
剤桜冊殺雑参惨桟蚕賛残祉糸視歯児辞湿実舎写煮社者釈寿収臭従渋
獣縦祝粛処暑緒署諸叙奨将渉焼祥称証乗剰壌嬢条浄状畳譲醸嘱触寝
慎真神尽図粋酔随髄数枢瀬声静斉摂窃節専戦浅潜繊践銭禅曽祖僧双
壮層捜挿巣争痩総荘装騒増憎臓蔵贈即属続堕体対帯滞台滝択沢単嘆
担胆団弾断痴遅昼虫鋳著庁徴懲聴勅鎮塚逓鉄転点伝都党盗灯当闘徳
独読突届縄難弐悩脳覇廃拝梅売麦発髪抜繁晩蛮卑碑秘浜賓頻敏瓶侮
福払仏併塀並変辺勉弁弁弁舗歩穂宝褒豊墨没翻毎万満免麺黙餅戻弥
薬訳予余与誉揺様謡来頼乱欄覧隆竜虜両猟緑塁涙類励礼隷霊齢暦歴
恋練錬炉労廊朗楼郎録湾尭巌晋槙渚猪琢瑶祐禄禎穣聡遥tab2space
Converts CHARACTER TABULATION (U+0009) into SPACE (U+0020).
remove_controls
Removes the following control characters:
U+0000 .. U+0008
U+000B
U+000C
U+000E .. U+001F
U+007F .. U+009FNote that this option does not remove the following characters:
U+0009 CHARACTER TABULATION
U+000A LINE FEED
U+000D CARRIAGE RETURNremove_DFC
Removes the following Directional Formatting Characters:
U+061C ARABIC LETTER MARK
U+2066 LEFT-TO-RIGHT ISOLATE
U+2067 RIGHT-TO-LEFT ISOLATE
U+2068 FIRST STRONG ISOLATE
U+2069 POP DIRECTIONAL ISOLATE
U+200E LEFT-TO-RIGHT MARK
U+200F RIGHT-TO-LEFT MARK
U+202A LEFT-TO-RIGHT EMBEDDING
U+202B RIGHT-TO-LEFT EMBEDDING
U+202C POP DIRECTIONAL FORMATTING
U+202D LEFT-TO-RIGHT OVERRIDE
U+202E RIGHT-TO-LEFT OVERRIDESee http://www.unicode.org/reports/tr9/ for more information about Directional Formatting Characters.
remove_spaces
Removes SPACE (U+0020) and IDEOGRAPHIC SPACE (U+3000).
dakuon_normalize, handakuon_normalize, all_dakuon_normalize
See Lingua::JA::Dakuon.
Note that Lingua::JA::NormalizeText enables $Lingua::JA::Dakuon::EnableCombining flag.
square2katakana, circled2kana, circled2kanji
See Lingua::JA::Moji.
decompose_parenthesized_kanji
Decomposes the following parenthesized kanji:
㈠㈡㈢㈣㈤㈥㈦㈧㈨㈩㈪㈫㈬㈭㈮㈯㈰㈱㈲㈳㈴㈵㈶㈷㈸㈹㈺㈻㈼㈽㈾㈿㉀㉁㉂㉃AUTHOR
pawa <pawapawa@cpan.org>
SEE ALSO
LICENSE
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.