Class RegexFunction

Class representing the SPARQL REGEX function.
Inheritance
System.Object
RegexFunction
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Query.Expressions.Functions.Sparql.Boolean
Assembly: dotNetRDF.dll
Syntax
public class RegexFunction : ISparqlExpression

Constructors

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RegexFunction(ISparqlExpression, ISparqlExpression)

Creates a new Regex() function expression.
Declaration
public RegexFunction(ISparqlExpression text, ISparqlExpression pattern)
Parameters
Type Name Description
ISparqlExpression text Text to apply the Regular Expression to.
ISparqlExpression pattern Regular Expression Pattern.
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RegexFunction(ISparqlExpression, ISparqlExpression, ISparqlExpression)

Creates a new Regex() function expression.
Declaration
public RegexFunction(ISparqlExpression text, ISparqlExpression pattern, ISparqlExpression options)
Parameters
Type Name Description
ISparqlExpression text Text to apply the Regular Expression to.
ISparqlExpression pattern Regular Expression Pattern.
ISparqlExpression options Regular Expression Options.

Properties

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Arguments

Gets the Arguments of the Expression.
Declaration
public IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<ISparqlExpression>
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CanParallelise

Gets whether an expression can safely be evaluated in parallel.
Declaration
public virtual bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
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Functor

Gets the Functor of the Expression.
Declaration
public string Functor { get; }
Property Value
Type Description
System.String
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Type

Gets the Type of the Expression.
Declaration
public SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
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Variables

Gets the enumeration of Variables involved in this Expression.
Declaration
public IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>

Methods

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Evaluate(SparqlEvaluationContext, Int32)

Evaluates the expression.
Declaration
public IValuedNode Evaluate(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
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ToString()

Gets the String representation of this Expression.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()
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Transform(IExpressionTransformer)

Transforms the Expression using the given Transformer.
Declaration
public ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer Expression Transformer.
Returns
Type Description
ISparqlExpression

Implements

Extension Methods