# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/",]/"]/g;t' <<< "[[\"USA\",1,2],[\"Canada\",0],[\"Mexico\",0,4,3],[\"Guatemala\",2,4,5,6],[\"Belize\",2,3],[\"El Salvador\",3,6],[\"Honduras\",3,5,7],[\"Nicaragua\",6,8],[\"San Jose\",7,9],[\"Panama\",8,10],[\"Columbia\",11,15,17,16],[\"Venezuela\",10,15,12],[\"Guyana\",11,15,13],[\"Suriname\",12,15,14],[\"French Guiana\",13,15],[\"Brazil\",10,11,12,13,14,17,18,20,21,22],[\"Ecuador\",10,17],[\"Peru\",16,10,15,18,19],[\"Bolivia\",17,15,20,21,19],[\"Chile\",17,18,21],[\"Paraguay\",18,15,21],[\"Argentina\",19,18,20,15,22],[\"Uruguay\",21,15],[\"The Bahamas\",],[\"Cuba\",],[\"Jamaica\",],[\"Haiti\",27],[\"Dominican Republic\",26],[\"Puerto Rico\",],[\"Saint Kitts and Nevis\",],[\"Montserrat\",],[\"Guadeloupe\",],[\"Dominica\",],[\"Martinique\",],[\"Saint Vincent\",],[\"Barbados\",],[\"Trinidad and Tobago\",],[\"Greenland\",],[\"Azores\",],[\"Falkland Islands\",],[\"South Georgia\",],[\"Cape Verde\",],[\"Madeira Island\",],[\"Canary Islands\",],[\"Faroe Islands\",],[\"Republic of Ireland\",46],[\"United Kingdom\",45],[\"Svalbard\",],[\"Norway\",49,50,51],[\"Sweden\",48,50],[\"Finland\",49,48,51],[\"Russia\",48,50,53,54,56,62,84,87,88,89,93,90,91],[\"Denmark\",57],[\"Estonia\",51,54],[\"Latvia\",53,51,56,55],[\"Lithuania\",54,56,61],[\"Belarus\",55,54,51,62,61],[\"Germany\",60,59,58,52,61,63,68,69,71,70],[\"Netherlands\",57,59],[\"Belgium\",70,58,57,60],[\"Luxembourg\",70,59,57],[\"Poland\",57,55,56,62,64,63],[\"Ukraine\",64,61,56,51,66,65,67],[\"Czech Republic\",57,61,64,68],[\"Slovakia\",68,63,61,62,67],[\"Moldova\",62,66],[\"Romania\",67,62,65,76,75],[\"Hungary\",68,64,62,66,75,73,72],[\"Austria\",69,57,63,64,67,72,80,71],[\"Liechtenstein\",71,57,68],[\"France\",59,60,57,71,80,81],[\"Switzerland\",70,57,69,68,80],[\"Slovenia\",80,68,67,73],[\"Croatia\",72,67,75,74],[\"Bosnia and Herzegovina\",73,75,77],[\"Serbia\",74,73,67,66,76,79,78,77],[\"Bulgaria\",75,66,84,83,79],[\"Montenegro\",74,75,78],[\"Albania\",77,75,79,83],[\"Macedonia\",78,75,76,83],[\"Italy\",70,71,68,72],[\"Spain\",82,70],[\"Portugal\",81],[\"Greece\",78,79,76,84],[\"Turkey\",83,51,87,88,97,98,99],[\"Malta\",],[\"Cyprus\",],[\"Armenia\",84,51,88,97],[\"Azerbaijan\",84,87,51,97],[\"Kazakhstan\",51,93,94,96],[\"Mongolia\",93,51],[\"North Korea\",93,51,92],[\"South Korea\",91],[\"China\",95,94,89,51,90,91,120,119,117,111,113,112,110],[\"Uzbekistan\",89,93,95,96],[\"Afghanistan\",97,96,94,93,110,109],[\"Turkmenistan\",89,94,95,97],[\"Iran\",98,84,88,87,96,95,109],[\"Iraq\",102,99,84,97,104,103],[\"Syria\",100,84,98,102,101],[\"Lebanon\",101,99],[\"Israel\",145,100,99,102],[\"Jordan\",101,99,98,103],[\"Saudi Arabia\",102,98,104,105,106,107,108],[\"Kuwait\",98,103],[\"Qatar\",103],[\"United Arab Emirates\",103,107],[\"Oman\",103,106,108],[\"Yemen\",103,107],[\"Pakistan\",97,95,110,111],[\"Kashmir\",109,95,93,111],[\"India\",109,110,112,113,117,114],[\"Nepal\",111,93],[\"Bhutan\",111,93],[\"Bangladesh\",111,117],[\"Sri Lanka\",],[\"Adaman and Nicobar Islands\",],[\"Myanmar\",114,111,93,119,118],[\"Thailand\",117,119,121,122],[\"Laos\",117,93,120,121,118],[\"Vietnam\",119,93,121],[\"Cambodia\",118,119,120],[\"Malaysia\",118,123,125],[\"Brunei\",122],[\"Phillipines\",],[\"Indonesia\",122,126,127],[\"Papua New Guinea\",125],[\"Australia\",],[\"Tasmania\",],[\"Japan\",],[\"Guam\",],[\"Solomon Islands\",],[\"Vanuatu\",],[\"Fiji\",],[\"New Caledonia\",],[\"New Zealand\",],[\"Kerguelen Island\",],[\"Heard Island\",],[\"Mauritius\",],[\"Reunion\",],[\"Mayotte\",],[\"Comoros\",],[\"Madagascar\",],[\"Sao Tome\",],[\"Bioko\",],[\"Egypt\",146,101,167],[\"Libya\",148,147,145,167,166,164],[\"Tunisia\",148,146],[\"Algeria\",150,149,147,146,164,159,151],[\"Morocco\",150,148],[\"Western Sahara\",149,148,151],[\"Mauritania\",150,148,159,152],[\"Senegal\",153,151,159,155,154],[\"The Gambia\",152],[\"Guinea-Bissau\",152,155],[\"Guinea\",154,152,159,158,157,156],[\"Sierra Leone\",155,157],[\"Liberia\",156,155,158],[\"Cote D'Ivoire\",157,155,159,160,161],[\"Mali\",152,151,148,164,160,158,155],[\"Burkina Faso\",159,164,163,162,161,158],[\"Ghana\",158,160,162],[\"Togo\",161,160],[\"Benin\",162,160,164,165],[\"Niger\",160,159,148,146,166,165,163],[\"Nigeria\",163,164,166,176],[\"Chad\",164,146,167,175,176,165],[\"Sudan\",166,146,145,168,170,172,173,174,175],[\"Eritrea\",167,169,170],[\"Djibouti\",170,168,171],[\"Ethiopia\",167,168,169,171,172],[\"Somalia\",172,170,169],[\"Kenya\",173,167,170,171,182],[\"Uganda\",174,167,172,182,180],[\"Democratic Republic of the Congo\",183,179,175,167,173,180,181,185,184],[\"Central African Republic\",176,166,167,174,179],[\"Cameroon\",165,166,175,179,178,177],[\"Equatorial Guinea\",176,178],[\"Gabon\",177,176,179],[\"Congo\",178,176,175,174,183],[\"Rwanda\",174,173,182,181],[\"Burundi\",174,180,182],[\"Tanzania\",181,180,173,172,187,186,185],[\"Cabinda\",179,174],[\"Angola\",174,185,190],[\"Zambia\",184,174,182,186,187,188,189,190],[\"Malawi\",185,182,187],[\"Mozambique\",188,185,186,182,191,192],[\"Zimbabwe\",190,185,187,191,189],[\"Botswana\",190,185,188,191],[\"Namibia\",184,185,188,189,191],[\"South Africa\",190,189,188,187,192,193],[\"Swaziland\",191,187],[\"Lesotho\",191]]"
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html