This is a wrapper of the Compact Language Detection library from Chrome. To use : require “cld” language = CLD.detect_language(“piece of text”) is_english = CLD.english?(“我不是英文”)
detect_language returns a unique integer representing each language, here are the languages: ENGLISH = 0, DANISH = 1, DUTCH = 2, FINNISH = 3, FRENCH = 4, GERMAN = 5, HEBREW = 6, ITALIAN = 7, JAPANESE = 8, KOREAN = 9, NORWEGIAN = 10, POLISH = 11, PORTUGUESE = 12, RUSSIAN = 13, SPANISH = 14, SWEDISH = 15, CHINESE = 16, CZECH = 17, GREEK = 18, ICELANDIC = 19, LATVIAN = 20, LITHUANIAN = 21, ROMANIAN = 22, HUNGARIAN = 23, ESTONIAN = 24, TG_UNKNOWN_LANGUAGE = 25, UNKNOWN_LANGUAGE = 26, BULGARIAN = 27, CROATIAN = 28, SERBIAN = 29, IRISH = 30,
GALICIAN = 31, TAGALOG = 32,
TURKISH = 33, UKRAINIAN = 34, HINDI = 35, MACEDONIAN = 36, BENGALI = 37, INDONESIAN = 38, LATIN = 39, MALAY = 40, MALAYALAM = 41, WELSH = 42, NEPALI = 43, TELUGU = 44, ALBANIAN = 45, TAMIL = 46, BELARUSIAN = 47, JAVANESE = 48,
OCCITAN = 49, URDU = 50, BIHARI = 51, GUJARATI = 52, THAI = 53, ARABIC = 54, CATALAN = 55, ESPERANTO = 56, BASQUE = 57, INTERLINGUA = 58, KANNADA = 59, PUNJABI = 60, SCOTS_GAELIC = 61, SWAHILI = 62, SLOVENIAN = 63, MARATHI = 64, MALTESE = 65, VIETNAMESE = 66, FRISIAN = 67, SLOVAK = 68, CHINESE_T = 69, FAROESE = 70, SUNDANESE = 71, UZBEK = 72, AMHARIC = 73, AZERBAIJANI = 74, GEORGIAN = 75, TIGRINYA = 76, PERSIAN = 77, BOSNIAN = 78,
SINHALESE = 79, NORWEGIAN_N = 80, PORTUGUESE_P = 81, PORTUGUESE_B = 82, XHOSA = 83,
ZULU = 84, GUARANI = 85, SESOTHO = 86,
TURKMEN = 87, KYRGYZ = 88, BRETON = 89, TWI = 90, YIDDISH = 91, SERBO_CROATIAN= 92, SOMALI = 93, UIGHUR = 94, KURDISH = 95, MONGOLIAN = 96, ARMENIAN = 97, LAOTHIAN = 98, SINDHI = 99, RHAETO_ROMANCE= 100, AFRIKAANS = 101, LUXEMBOURGISH = 102, BURMESE = 103, KHMER = 104, TIBETAN = 105, DHIVEHI = 106,
CHEROKEE = 107, SYRIAC = 108, LIMBU = 109, ORIYA = 110, ASSAMESE = 111,
CORSICAN = 112,
INTERLINGUE = 113,
KAZAKH = 114, LINGALA = 115,
MOLDAVIAN = 116,
PASHTO = 117, QUECHUA = 118,
SHONA = 119, TAJIK = 120, TATAR = 121,
TONGA = 122, YORUBA = 123,
CREOLES_AND_PIDGINS_ENGLISH_BASED = 124,
CREOLES_AND_PIDGINS_FRENCH_BASED = 125, CREOLES_AND_PIDGINS_PORTUGUESE_BASED = 126, CREOLES_AND_PIDGINS_OTHER = 127, MAORI = 128,
WOLOF = 129,
ABKHAZIAN = 130,
AFAR = 131,
AYMARA = 132,
BASHKIR = 133,
BISLAMA = 134,
DZONGKHA = 135, FIJIAN = 136, GREENLANDIC = 137, HAUSA = 138, HAITIAN_CREOLE= 139, INUPIAK = 140,
INUKTITUT = 141, KASHMIRI = 142, KINYARWANDA = 143,
MALAGASY = 144, NAURU = 145, OROMO = 146, RUNDI = 147, SAMOAN = 148, SANGO = 149, SANSKRIT = 150, SISWANT = 151, TSONGA = 152, TSWANA = 153,
VOLAPUK = 154, ZHUANG = 155, KHASI = 156,
SCOTS = 157,
GANDA = 158,
MANX = 159, MONTENEGRIN = 160, NUM_LANGUAGES = 161,
Thanks to Mike McCandless for finding this code and writing a python version Thanks to the Chrome Authors.