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The ScopeRegex type matches attributes values against the supplied Java Regular ExpressionPattern.

Confusingly, the The ScopeRegex type can be a Matcher or a PolicyRequirement.

If no attributeID attribute is specified then it is a Matcher (returning that value if it is the matching values present amongst the filtered attribute's values, and the empty set otherwise)
If an attributeID attribute is specified then it is a PolicyRule (returning true if that that a matching value is present amongst the values for of the specified attribute).

Reference

Localtabgroup

Localtab

active	true
title	XML Attributes

Three attributes may be specified

Name	Type	Default	Description
`attributeID`	String

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		If this is present, then this is a PolicyRule returning true if the corresponding attribute exists and contains a value that matches. If this is not present, then this is a Matcher returning any value that matches, and the empty set otherwise.
`regex`	Pattern

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	The Java regular expression to match against
`caseSensitive`	boolean	true	Whether the comparison is case sensitive

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Apply this rule if the attribute "EPSA" contains at least one scope value whose scope ends .edu:

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