Substring of the word in search will not be displayed as result if the indexing language is German.

Summary

Searching for the substring of the word through use of regular expression as below will return 0 results if the indexing language is German.

/.*Stütz.*/
/.*Stuetz.*/
Stuetz*
Stütz*

Steps to Reproduce

1. Create page and as a content add words "Stuetzpunktlogistik" and "Stützpunktlogistik".
2. Make sure that in Confluence Administration indexing language is set to German.
3. Search for /.Stütz./, /.Stuetz./, Stuetz* or Stütz*

Expected Results

Created page will be displayed.

Actual Results

You will see no results.

Workaround

Changing indexing language will display page in search result properly.