c# neo4j cypher use regular exp

c# neo4j cypher use regular exp

Content Index :

c# neo4j cypher use regular exp
Tag : chash , By : Adam
Date : November 24 2020, 09:00 AM

wish help you to fix your issue Well, you're mostly there with the tag of regex - you have 2 options depending on what you want to do, and what your query is. First though - Please read the documentation for Cypher and try your queries out in the Admin window (localhost:7474) first, you'll find it hugely beneficial. In particular for this the Where documentation would have helped you a lot.
Option 1: Regex
var groups = WebApiConfig.GraphClient.Cypher
    .Where("g.GroupName =~ {nameParam}")
    .WithParam("nameParam", string.Format(".*{0}.*", query))
    .Return(g => g.As<Groups>())
MATCH (g:Groups) WHERE g.GroupName =~ '.*<your query text>.*' RETURN g
var groups = WebApiConfig.GraphClient.Cypher
    .Where((Groups g) => g.GroupName.StartsWith(query))
    .Return(g => g.As<Groups>())
MATCH (g:Groups) WHERE g.GroupName STARTS WITH <your query text> RETURN g
var groupsList = groups.Where(g => g.GroupName.Contains(query)).ToList();
return groups.Where(/*see above*/);

No Comments Right Now !

Boards Message :
You Must Login Or Sign Up to Add Your Comments .

Share : facebook icon twitter icon

NEO4J: Is it possible to use regular expressions in Relationshiptypes with Cypher?

Tag : neo4j , By : Jimmy
Date : March 29 2020, 07:55 AM
will help you You should not misuse the relationship type to store data. This can also lead to serious performance problems. Store the data in a property of the relationship.
You will also run into issues with the 32k relationship type limit (link).

Regular Expression in Neo4j Cypher

Tag : neo4j , By : user133834
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Neo4j won't use indexes for regular expressions, so that would definitely affect your query performance as you grow.
Could you some examples of regular expressions? There might be a be another way to go about it.

Neo4j- Cypher Email validation through Regular Expression

Tag : regex , By : Naveen
Date : March 29 2020, 07:55 AM
Does that help Under the hood, your regex is parsed in APOC as a java string. And because the character \ is the escape character in Java, you need to double it if you really want the \ character.
So your query becomes this one :
WITH "^([a-zA-Z0-9_\\-\\.]+)@([a-zA-Z0-9_\\-\\.]+)\\.([a-zA-Z]{2,5})$" AS regex
MATCH (n:Person) where exists(n.person_email)
RETURN n.person_email, apoc.text.regexGroups(n.person_email,regex) AS value 
ORDER BY n.person_email LIMIT 1000
MATCH (n:Person) 
WHERE  n.person_email =~ "^([a-zA-Z0-9_\\-\\.]+)@([a-zA-Z0-9_\\-\\.]+)\\.([a-zA-Z]{2,5})$"

Neo4j Cypher Regular expression not matching

Tag : regex , By : Topher Cyll
Date : March 29 2020, 07:55 AM
Hope that helps Lets see if I can bring some clarity to this.
The regex hklm\\\\s.* is in a string object, which will escape the \ when created and thus be saved as hklm\\s.*. Then once the regex is evaluated it is handled as a new string/regex object that also escapes the \. This means that the regex you search on is hklm\s.*, which doesn't match the target string (which has double \'s).

Neo4j Cypher how to include another relationship node of parent in APOC neo4j cypher query

Tag : neo4j , By : JackIT
Date : March 29 2020, 07:55 AM
I hope this helps you . In the first query, the TAGGED_TO relationship between the parent node Drone and the :Part node is shown because the browser option Connect result nodes is enabled:
MATCH p=(n:Category)-[:SUB_CATEGORY*0..]->(m:Category)<-[:TAGGED_TO]-(part:Part)
WHERE NOT ()-[:SUB_CATEGORY]->(n) AND toLower(part.name) STARTS WITH toLower('atm')
CALL apoc.convert.toTree(ps) YIELD value
RETURN value
Related Posts Related QUESTIONS :
  • uwp beforetextchanged cursor moving in front of text
  • How to keep duplicates from a string[] exclude words from a List and print them out
  • .Net Core Strings.Asc/Mid/Chr/Len missing even after importing Microsoft.VisualBasic
  • How to return to previous search page without being asked to Confirm Form Re-submission and keeping the results on ASP.N
  • How set a identity scaffolding item/page how initial page in asp.net MVC core?
  • LINQ isn't calling Dispose on my IEnumerator when using Union and Select, expected behavior or bug?
  • What is "ByteArray.uncompress()" in AS3 equivalent to in C#?
  • Getting a specific letter from a string variable for my simple guessing game for clues
  • Send an email with Outlook without a subject --- dialog box issue
  • passing List<MyModel> from my controller in the "WebInterfaceProject" to the processor method in "D
  • How to convert Word document created from template by OpenXML into MemoryStream?
  • How can I make a single slider that changes the color of an object?
  • Remap JSON parameter in c#
  • What is the difference between "this ref" and "ref this" when talking about C# 7.2 ref extension met
  • Convert OpenSSL encryption into native C#
  • Accessing Properties in Razor Pages
  • How to get SOAP element value
  • Projection after Group
  • C# error cannot convert sytem.text.regularexpressions.match to string
  • Issues with Save/Load System in a Text Based Adventure game made with ScriptableObjects in Unity
  • VS2019 MSBuild.exe - ASP .Net MVC project fails to publish when using PublishProfile, but works when using OutDir parame
  • Does <pages validateRequest="false" /> in Web.config still matter?
  • How to send new request to redirect URL with new access token
  • Attempt to invoke virtual method on a null object reference Xamarin LockScreen
  • "The attribute names could not be inferred from bind attribute 'bind-value'" exception in Blazor
  • How to fix ''System.ArgumentException" in c#?
  • C#. Ref returning delegate for ref extension method
  • Swashbuckle Swagger generate an actual guid
  • Trying to make thousands of database calls simultaneously - they stack instead of running concurently
  • run mstest from cmd using testcontainer
  • How to make M:N (many-to-many) relationship where both M and N are the same entities?
  • Consume COM DLL from multiple clients
  • Convert json string response representing UCHAR array to Byte array
  • Why does this LinqPad program produce different results on the second run?
  • ServiceStack how to use MaxLoginAttempts feature
  • What does "late-bound access to the destination object" mean?
  • How to load appsettings.json inside a Static class based on deploy environment so that I can use in other class librarie
  • dynamically add images to view
  • Are static extension methods on User object safe?
  • Process thousands of database calls simultaneously
  • Trying to decrypt a string with public key(not private) using bouncycastle in .net
  • How to retrieve the name of an usb device
  • Query many-to-many related data using Entity Framework Core
  • ASP.NET MVC : how to find the view from a controller?
  • Inconsistent behaviour using Entity Framework for ASP.NET MVC app vs windows service
  • AutoFixture Customize vs Build
  • How to change textbox location at the click of a mouse in live mode?
  • How can I deserialize a XML file without defining the parent node?
  • asp.net core how decrease class coupling
  • ASP.NET Core Razor Pages Routing With parameters
  • String Escaping With $ Interpolation and @ Encoding
  • ConfigurationManager in ASP.NET WebAPI tested with HttpServer
  • Top down shooting in Unity 2D don't work as I want it to
  • Use own redirectUri when the Authentication expires
  • Using "foreach" in string array c#
  • "Object reference not set to an instance of an object" for create multiply models on one view
  • Get data passed trought pushAsync
  • Selector expression dynamic on IQueryable
  • Logut with SignInManager not calling method
  • Exit event handler with MessageBox OK button
  • shadow
    Privacy Policy - Terms - Contact Us © scrbit.com