Advanced Elasticsearch 7.0

The mapping filter

You can specify a mapping using a list of key-value pairs. When the input string has such a key, the original value will be substituted by the corresponding value. The key that matches the longest string from the original value wins. There are two ways to specify the mapping:

• Using the mappings parameter to specify a list of key-value pairs in the text
• Using the mappings_path parameter to give an absolute or relative path to the configuration directory in which key-value pairs are written in each line

Let's look at an example of how to use a mapping character filter to replace the You'll input text with You will. Suppose that we use the same HTML input text string as we have done previously; after applying both html_strip ...