# Uses of Class
org.apache.lucene.util.automaton.RegExp

Packages that use RegExp
Package
Description
org.apache.lucene.util.automaton
Finite-state automaton for regular expressions.

## Uses of RegExp in org.apache.lucene.util.automaton

Fields in org.apache.lucene.util.automaton declared as RegExp
Modifier and Type
Field
Description
`final RegExp`
RegExp.`exp1`
Child expressions held by a container type expression
`final RegExp`
RegExp.`exp2`
Child expressions held by a container type expression
Methods in org.apache.lucene.util.automaton that return RegExp
Modifier and Type
Method
Description
`RegExp`
TooComplexToDeterminizeException.`getRegExp()`
Return the RegExp that caused this exception if any.
Constructors in org.apache.lucene.util.automaton with parameters of type RegExp
Modifier
Constructor
Description
``
`TooComplexToDeterminizeException(RegExp regExp, TooComplexToDeterminizeException cause)`
Use this constructor when the RegExp failed to convert to an automaton.