Updates the content of a FlowFile by evaluating a Regular Expression against it and replacing the section of the content that matches the Regular Expression with some alternate value provided in a mapping file.
Tags: Text, Regular Expression, Update, Change, Replace, Modify, Regex, Mapping
Properties:
In the list below, the names of required properties appear in bold. Anyother properties (not in bold) are considered optional. The table also indicates any default values, whether a property supports the NiFi Expression Language (or simply EL), and whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the nifi.properties file has an entry for the property nifi.sensitive.props.key.
| Name | Description | Default Value | Valid Values | EL | Sensitive |
|---|---|---|---|---|---|
| Regular Expression | The Regular Expression to search for in the FlowFile content | \S+ | Yes | No | |
| Matching Group | The number of the matching group of the provided regex to replace with the corresponding value from the mapping file (if it exists). | 0 | Yes | No | |
| Mapping File | The name of the file (including the full path) containing the Mappings. | No | No | ||
| Mapping File Refresh Interval | The polling interval in seconds to check for updates to the mapping file. The default is 60s. | 60s | No | No | |
| Character Set | The Character Set in which the file is encoded | UTF-8 | No | No | |
| Maximum Buffer Size | Specifies the maximum amount of data to buffer (per file) in order to apply the regular expressions. If a FlowFile is larger than this value, the FlowFile will be routed to 'failure' | 1 MB | No | No |
Relationships:
| Name | Description |
|---|---|
| failure | FlowFiles that could not be updated are routed to this relationship |
| success | FlowFiles that have been successfully updated are routed to this relationship, as well as FlowFiles whose content does not match the given Regular Expression |