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Dividir por coma y cómo excluir la coma de las comillas en división

código pitón 2.7

 cStr = '"aaaa","bbbb","ccc,ddd"' newStr = cStr.split(',') print newStr # -> ['"aaaa"','"bbbb"','"ccc','ddd"' ]

pero, quiero este resultado.

 result = ['"aaa"','"bbb"','"ccc,ddd"']
over 4 years ago · Santiago Trujillo
3 answers
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0

La solución usando la función re.split() :

 import re cStr = '"aaaa","bbbb","ccc,ddd"' newStr = re.split(r',(?=")', cStr) print newStr

La salida:

 ['"aaaa"', '"bbbb"', '"ccc,ddd"']

,(?=") - aserción positiva anticipada, asegura que el delimitador va seguido , comillas dobles "

over 4 years ago · Santiago Trujillo Report

0

Intenta usar CSV.

 import csv cStr = '"aaaa","bbbb","ccc,ddd"' newStr = [ '"{}"'.format(x) for x in list(csv.reader([cStr], delimiter=',', quotechar='"'))[0] ] print newStr

Compruebe Python parse CSV ignorando la coma con comillas dobles

over 4 years ago · Santiago Trujillo Report

0

pyparsing tiene una expresión incorporada, commaSeparatedList :

 cStr = '"aaaa","bbbb","ccc,ddd"' import pyparsing as pp print(pp.commaSeparatedList.parseString(cStr).asList())

huellas dactilares:

 ['"aaaa"', '"bbbb"', '"ccc,ddd"']

También puede agregar una acción de tiempo de análisis para eliminar esas comillas dobles (ya que probablemente solo quiera el contenido, no las comillas también):

 csv_line = pp.commaSeparatedList.copy().addParseAction(pp.tokenMap(lambda s: s.strip('"'))) print(csv_line.parseString(cStr).asList())

da:

 ['aaaa', 'bbbb', 'ccc,ddd']
over 4 years ago · Santiago Trujillo Report
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