我找到了一个类似的帖子，它基本上总结了我之前尝试实现的目标（编辑后）。 How to read multiline fwf format where row may or may not flow multiline。但是我有一些标题分为多行格式，跨越每个事务。
我试图通过链接回答的投票功能来抓住，但它逃脱了我。我认为正则表达式是使用这种类型的固定宽度文件的方法，特别是使用多行。
文件如下所示：
Book Date Transaction Details Amount
Value Date Running Balance
Opening Balance: xxxxxxxxxxxxxx
11.17.2014 Transaction Type: OUTW.REMITTANCE -146.000,00
11.17.2014 Customer Reference: xxxxxxxxxxx
Bank Reference: xxxxxxxxxxx
Details of Payment: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxx
xxxxxxxxxxx 7.699.015,78
11.17.2014 Transaction Type: xxxxxxxxxxx -3,00
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxxxx
Details of Payment: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxx 7.699.012,78
11.17.2014 Transaction Type: xxxxxxxxxx -0,50
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxx
Details of Payment:
xxxxxxxxxxxx
xxxxxxxxxxxx 7.699.012,28
11.17.2014 Transaction Type: OUTGIRO PAY -995,40
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxxx
Details of Payment:
xxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxx
xxxxxxxxxx 7.698.016,88
11.17.2014 Transaction Type: OUTGIRO PAY -71.760,00
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxxxx
Details of Payment:
xxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxx
xxxxxxxxxx
xxxxxxxxxx 7.626.256,88
11.17.2014 Transaction Type: OUTGIRO PAY -31.543,00
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxxx
Details of Payment:
xxxxxxxxxxxxxxxxxx
xxxxxxxxxxx
xxxxxxxxxx
xxxxxxxxxx 7.594.713,88
11.17.2014 Transaction Type: OUTGIRO PAY -3.600,00
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxx
Details of Payment:
xxxxxxxxxxxxxxxx
xxxxxxx
xxxxxxxxxx
xxxxxxxxxx 7.591.113,88
11.17.2014 Transaction Type: OUTGIRO PAY -3.800,00
11.17.2014 Customer Reference: xxxxxxxxxx
Bank Reference: xxxxxxxxxx
Details of Payment:
xxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
xxxxxxxxxx
xxxxxxxxxx 7.587.313,88
11.17.2014 Transaction Type: xxxxxxxxxx
11.17.2014 Customer Reference:
由于只有价值日期，我可以知道交易细节的细分是什么，但我还需要借方/贷方以显示最后一笔交易后的余额。
任何帮助将不胜感激。再次感谢！
此致
Sony Putra