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Substring Extractor

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Substring extraction

Purpose

This rule is used to extract and concatenate a list of substrings from the value produced by its source. Each extracted substring is identified by a starting position and an offset.

Configuration

To configure this rule you must provide the list of starting positions and offsets of each substring you want to extract from the sources.

You can also provide a string separator that will be added between each extracted substrings.

The left position of the first character of the source string is 1, while the last position is '-1'. Thus, it is possible to extract a suffix of length n by configuring an offset of -n and size of n.

Let us assume the source value to extract substring from is a constant "1234ABDEFXXXX" like below:

Substring 1

The the generated values will be :

Substring extraction

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