Search hit group
Syntax
	$match.regexGroup()
$match.regexGroup($index)
  Description
Returns the substrings of the search hits match. These are selected by groups defined in the regex expression enclosed by ().
Parameter
| Name | Type | Description | Mandatory | Default | 
|---|---|---|---|---|
| match | Business object | The list of search hits from which only a substring should be selected. | yes | |
| index | Number | Only groups with the index will be considered | no | 0 - returns the full text of the search hit | 
Return value
Type: Set
A set of substrings of the search hits.
Examples
Without index
	regex('ab+').regexSearch("XXXabbbYYYabb").regexGroup()
  Output: ["abbb", "abb"]
Since no index was specified for the group, the search will be fully returned.
With index
	regex('a(b+)').regexSearch("XXXabbbYYYabb").regexGroup(1)
  Output: ["bbb", "bb"]
Only the substrings of group 1, i.e. (b+) are returned.