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.
Text, Regular Expression, Update, Change, Replace, Modify, Regex, Mapping
In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.
| Display Name | API Name | Default Value | Allowable Values | Description |
|---|---|---|---|---|
| Regular Expression | Regular Expression | \S+ | The Regular Expression to search for in the FlowFile content Supports Expression Language: true (will be evaluated using flow file attributes and variable registry) | |
| Matching Group | Matching Group | 0 | The number of the matching group of the provided regex to replace with the corresponding value from the mapping file (if it exists). Supports Expression Language: true (will be evaluated using variable registry only) | |
| Mapping File | Mapping File | The name of the file (including the full path) containing the Mappings. This property requires exactly one file to be provided.. | ||
| Mapping File Refresh Interval | Mapping File Refresh Interval | 60s | The polling interval in seconds to check for updates to the mapping file. The default is 60s. | |
| Character Set | Character Set | UTF-8 | The Character Set in which the file is encoded | |
| Maximum Buffer Size | Maximum Buffer Size | 1 MB | 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' |
| Name | Description |
|---|---|
| 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 |
| failure | FlowFiles that could not be updated are routed to this relationship |