@Amira khalifa You are having timestamp column format as 2008:05:17 17:23:01(with colon delimiter). Use the ReplaceText processor with below configs Search Value
(\d{4}:\d{2}:\d{2})(\s+)(\d{2}:\d{2}:\d{2})
Replacement Value
'$1$2$3'
Character Set
UTF-8
Maximum Buffer Size
1 MB //change the value as per your flowfile size
Replacement Strategy
Regex Replace
Evaluation Mode
Entire text Input Flowfile: 2008:05:17 17:23:01 --other fields Outputflowfile: '2008:05:17 17:23:01' --other fields - If the Answer helped to resolve your issue, Click on Accept button below to accept the answer, That would be great help to Community users to find solution quickly for these kind of issues.
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