Python:如果括号序列和其中的内容仅位于字符串的末尾,请删除它们
我想删除括号和里面的内容,只要它们在字符串的末尾。让我们举三个例子:Python:如果括号序列和其中的内容仅位于字符串的末尾,请删除它们,python,regex,Python,Regex,我想删除括号和里面的内容,只要它们在字符串的末尾。让我们举三个例子: s1 = 'BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine[2][]' s2 = "BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt['CHF']" s3 = "BkToCstmrStmt/Stmt/Bal[1]/Amt['CHF']" 我想
s1 = 'BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine[2][]'
s2 = "BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt['CHF']"
s3 = "BkToCstmrStmt/Stmt/Bal[1]/Amt['CHF']"
我想去
s1 = 'BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine'
s2 = "BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt"
s3 = "BkToCstmrStmt/Stmt/Bal[1]/Amt"
以下是我尝试过的:
name_parts = re.findall(r'[^\W_]+|[\W_]+', s3)
print(name_parts)
lenght = len(name_parts) - 1
# we want to analize the last element of the list, if it contains '_-'
if lenght >= 0: # it is to prevent an error if we have '' so an dimension '-1'
# We do a loop while to test if the parts have '-_', if true we execute the loop
# until it is false
while re.match('[^A-Za-z/]', name_parts[lenght]) or re.match('[^A-Za-z/]', name_parts[lenght-1]) :
# if it is true it will remove them
name_parts[lenght] = '' # it will remove them
print(name_parts)
lenght -= 1 # if the condition was true, we continue with one inferior part
else:
pass
new_string = ''.join(map(str, name_parts)) # now that we have cleaned if it was necessary
# we concatenate them
但它不起作用。有人有办法有效地做到这一点吗?:
印刷品:
BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine
BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt
BkToCstmrStmt/Stmt/Bal[1]/Amt
:
印刷品:
BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine
BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt
BkToCstmrStmt/Stmt/Bal[1]/Amt
这里有一种非正则表达式的方法:
s1 = 'BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine[2][]'
s2 = "BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt['CHF']"
s3 = "BkToCstmrStmt/Stmt/Bal[1]/Amt['CHF']"
for s in (s1, s2, s3):
while s.endswith(']'):
s = s[:s.rfind('[')]
print(s)
印刷品
BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine
BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt
BkToCstmrStmt/Stmt/Bal[1]/Amt
这里有一种非正则表达式的方法:
s1 = 'BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine[2][]'
s2 = "BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt['CHF']"
s3 = "BkToCstmrStmt/Stmt/Bal[1]/Amt['CHF']"
for s in (s1, s2, s3):
while s.endswith(']'):
s = s[:s.rfind('[')]
print(s)
印刷品
BkToCstmrStmt/Stmt/Ntry[2]/NtryDtls/TxDtls/RltdPties/Cdtr/PstlAdr/AdrLine
BkToCstmrStmt/Stmt/Ntry[2]/AmtDtls/InstdAmt/Amt
BkToCstmrStmt/Stmt/Bal[1]/Amt
这里的一个关键细节是使用美元符号表示字符串的结尾。这里的一个关键细节是使用美元符号表示字符串的结尾