How to fetch bank id from the content in a file in ASP.NET with C#?

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I am reading a Text file in asp.net with c#.
I want to fetch the data under 20 tag which is "

BNZW0M00017DW

"
Content is as below

{1:F01BNZWOMRXAXXX0001000001}{2:I102CBOMOMRUXACHN}{3:{113:0100}}{4:
:20:BNZW0M00017DW
:23:CREDIT
:50K:/00410039933001
SUBAIH NASSER SALIM AL SIYABI
POBOX 644 MUSCAT
MANOOMA - SEEB
,OMAN
:52A:BNZWOMRX
BANK NIZWA
:26T:001
:77B:/DNUM/492282
/DDATE/170423
:71A:SHA
:21:TRF000492282/1
:32B:OMR75,000
:57A:BMUSOMRX
:59:/0301011157980014
FAREEQ AL RAHMA
:70:SO
:32A:170427OMR75,000
:72:/PRT/10
/CODTYPTR/001
-}2017-04-26T12:21:13

What I have tried:

string text=

System.IO.File.ReadAllText(ToSignFile)

Posted 3-May-17 4:10am

Alex2 101

Updated 3-May-17 4:20am

OriginalGriff

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OriginalGriff · Answer 1 · 2017-05-03T04:20:00

Solution 1

Try a Regex:

(?<=^\:20\:).+$

Posted 3-May-17 4:20am

OriginalGriff