Class RegexpQueryNode

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Inheritance
object
QueryNode
RegexpQueryNode
Inherited Members
Namespace: Lucene.Net.QueryParsers.Flexible.Standard.Nodes
Assembly: Lucene.Net.QueryParser.dll
Syntax
public class RegexpQueryNode : QueryNode, ITextableQueryNode, IFieldableNode, IQueryNode

Constructors

RegexpQueryNode(string, ICharSequence, int, int)

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public RegexpQueryNode(string field, ICharSequence text, int begin, int end)
Parameters
Type Name Description
string field

field name
ICharSequence text

value that contains a regular expression
int begin

position in the query string
int end

position in the query string

RegexpQueryNode(string, string, int, int)

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public RegexpQueryNode(string field, string text, int begin, int end)
Parameters
Type Name Description
string field

field name
string text

value that contains a regular expression
int begin

position in the query string
int end

position in the query string

RegexpQueryNode(string, StringBuilder, int, int)

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public RegexpQueryNode(string field, StringBuilder text, int begin, int end)
Parameters
Type Name Description
string field

field name
StringBuilder text

value that contains a regular expression
int begin

position in the query string
int end

position in the query string

Properties

Field

Gets or Sets the field name associated to the node and every node under it.

Declaration
public virtual string Field { get; set; }
Property Value
Type Description
string

Text

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public virtual ICharSequence Text { get; set; }
Property Value
Type Description
ICharSequence

Methods

CloneTree()

Recursive clone the IQueryNode tree. The tags are not copied to the new tree when you call the CloneTree() method.

Declaration
public override IQueryNode CloneTree()
Returns
Type Description
IQueryNode

the cloned tree
Overrides

GetFieldAsString()

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public virtual string GetFieldAsString()
Returns
Type Description
string

TextToBytesRef()

A RegexpQueryNode represents Lucene.Net.Search.RegexpQuery query Examples: /[a-z]|[0-9]/

Declaration
public virtual BytesRef TextToBytesRef()
Returns
Type Description
BytesRef

ToQueryString(IEscapeQuerySyntax)

convert to a query string understood by the query parser

Declaration
public override string ToQueryString(IEscapeQuerySyntax escapeSyntaxParser)
Parameters
Type Name Description
IEscapeQuerySyntax escapeSyntaxParser
Returns
Type Description
string
Overrides

ToString()

Every implementation of this class should return pseudo xml like this:

For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>

Declaration
public override string ToString()
Returns
Type Description
string
Overrides
See Also

Implements