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关于正则表达式匹配问题

zhwlyfx 发布于 2020-01-03 23:08, 1665 次点击
程序代码:

# -*- coding:utf-8 -*-
from re import search,sub
import os
zt_array=[]
file_path="d:\\fczys"
sql="""--acc_books
insert into acc_books(id,name,db_pref,flag,type,text1,text2,text3,text4,text5,flag1,flag2,flag3,flag4,flag5,remark,data_type,book_year,book_code,area_code,split_str,storage_location,date_stamp,set_year)

 values(2690,'总预算账','3799_01',1,1,'','-1','','','',0,0,-1,-1,-1,'','','2016','371325001_01','371325001','4,2,2,2,2,2,2,2,2,2,2,2,2,2','',to_date('2015-09-24', 'dd-mm-yyyy hh24:mi:ss'),'');
     
"""
string=sub("([.\n]*values\()(.*)(\);)",r"\2",sql)
print(string)

我想要的结果是:
2690,'总预算账','3799_01',1,1,'','-1','','','',0,0,-1,-1,-1,'','','2016','371325001_01','371325001','4,2,2,2,2,2,2,2,2,2,2,2,2,2','',to_date('2015-09-24', 'dd-mm-yyyy hh24:mi:ss'),''
就是values后面括号里面的内容,但是运行结果却是:
--acc_books
insert into acc_books(id,name,db_pref,flag,type,text1,text2,text3,text4,text5,flag1,flag2,flag3,flag4,flag5,remark,data_type,book_year,book_code,area_code,split_str,storage_location,date_stamp,set_year)
 2690,'总预算账','3799_01',1,1,'','-1','','','',0,0,-1,-1,-1,'','','2016','371325001_01','371325001','4,2,2,2,2,2,2,2,2,2,2,2,2,2','',to_date('2015-09-24', 'dd-mm-yyyy hh24:mi:ss'),''

也就是说上面的那个匹配替换只是把values和括号替换了,但是values前面的值都没有被替换
2 回复
#2
时光流逝2020-02-23 19:08
我表示我不懂正则表达式
#3
phiplato2020-04-24 21:42
search("(?m)[\s\S]*?values\(([\s\S]*?)\);[\s\S]*?",sql).group(1)

[此贴子已经被作者于2020-4-24 21:44编辑过]

1