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[英]python: insert comma delimiter between words that are stuck together in a string with regex
[英]Regex: replace comma in between a string Python
我有一个行列表,例如
ELECSERV FINALED(可能会更改字符串值)这两个列作为一个列生成,我想用逗号分隔的两个不同列分隔,然后在行末删除逗号。
D12-1234,041-260-32,714 EL DFRO ST,ELECSERV FINALED,0,$0.00,10/15/2009 ,CONSTRUCTION,Electrical service upgrade from 100 amp to 200 amp (same location),
D12-1235,037-071-07,127 S HORN DR,ELECSERV ISSUED,0,$0.00,10/22/2009 ,"AGANS & ELLIOTT, INC, A&E ELECTRIC",Service upgrade (same location),
输出应如下所示:
D12-1234,041-260-32,714 EL DFRO ST,ELECSERV,FINALED,0,$0.00,10/15/2009 ,CONSTRUCTION,Electrical service upgrade from 100 amp to 200 amp (same location)
D12-1235,037-071-07,127 S HORN DR,ELECSERV,ISSUED,0,$0.00,10/22/2009 ,"AGANS & ELLIOTT, INC, A&E ELECTRIC",Service upgrade (same location)
您可以首先使用定界符分隔行,
。
cols = line.split(',')
现在更改结果数组中的第四个元素并替换 通过
,
cols[3] = string.replace(cols[3],' ',',')
连接数组以形成字符串,并使用rstrip
删除最后一个逗号
','.join(cols).rstrip(',')
编辑1:
请参考以下行,它对我有用。
line = 'D12-1234,041-260-32,714 EL DFRO ST,ELECSERV FINALED,0,$0.00,10/15/2009 ,CONSTRUCTION,Electrical service upgrade from 100 amp to 200 amp (same location),'
cols = line.split(',')
cols[3] = str.replace(cols[3],' ',',')
print(','.join(cols).rstrip(','))
我希望这是您想要的,还要确保最后一行具有\\ n才能正常工作,您还可以添加if语句来检查last char是否为\\n
。
with open("t.csv",'r') as myfile ,open ('out.csv','w') as outputfile:
for line in myfile:
outputfile.write(line[:-2]+"\n")
编辑:最后,您可以将结果写入旧文件
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