replaceAll
Description: The replaceAll function takes two String arguments: a literal String or Regular Expression (NiFi uses the Java Pattern syntax), and a replacement string. The return value is the result of substituting the replacement string for all patterns within the Subject that match the Regular Expression.
Subject Type: String
Arguments:
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Regex : The Regular Expression (in Java syntax) to match in the Subject
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Replacement : The value to use for replacing matches in the Subject. If the regular expression argument uses Capturing Groups, back references are allowed in the replacement.
Return Type: String
Examples: If the "filename" attribute has the value "a brand new filename.txt", then the following Expressions will provide the following results:
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