This page provides an overview of the extension methods available in Nextended.Core.
Located in Nextended.Core.Extensions.StringExtensions
Method Description Example ToCamelCase()Converts to camelCase "hello world" → "helloWorld" ToPascalCase()Converts to PascalCase "hello world" → "HelloWorld" ToSnakeCase()Converts to snake_case "HelloWorld" → "hello_world" ToKebabCase()Converts to kebab-case "HelloWorld" → "hello-world"
Method Description IsNullOrEmpty()Checks if string is null or empty IsNullOrWhiteSpace()Checks if string is null, empty, or whitespace IsValidEmail()Validates email format IsValidUrl()Validates URL format
Method Description Truncate(int length)Truncates string to specified length RemoveWhitespace()Removes all whitespace characters Reverse()Reverses the string Left(int length)Returns leftmost characters Right(int length)Returns rightmost characters
Located in Nextended.Core.Extensions.DateTimeExtensions
Method Description AddBusinessDays(int days)Adds business days (skips weekends) IsBusinessDay()Checks if date is a business day IsWeekend()Checks if date is weekend NextBusinessDay()Gets next business day
Method Description StartOfDay()Returns start of day (00:00:00) EndOfDay()Returns end of day (23:59:59) StartOfWeek()Returns start of week EndOfWeek()Returns end of week StartOfMonth()Returns start of month EndOfMonth()Returns end of month
) Located in Nextended.Core.Extensions.EnumerableExtensions
Method Description Batch(int size)Splits collection into batches DistinctBy<TKey>(Func<T, TKey> keySelector)Distinct by property ForEach(Action<T> action)Performs action on each element ForEach(Action<T, int> action)ForEach with index
Method Description SafeAny()Safe Any() that handles null collections SafeCount()Safe Count() that handles null collections SafeFirstOrDefault()Safe FirstOrDefault() that handles null
Method Description IsNullOrEmpty()Checks if collection is null or empty None()Opposite of Any() WhereNotNull()Filters out null elements
Located in Nextended.Core.Extensions.ObjectExtensions
See the Class Mapping Reference for comprehensive documentation, examples, and usage scenarios.
Method Description MapTo<TTarget>()Maps object to target type MapTo<TTarget>(ClassMappingSettings)Maps with custom settings MapTo<TTarget>(TTarget target)Maps to existing instance MapToAsync<TTarget>()Maps object asynchronously MapElementsTo<T>()Maps each element in collection
Method Description DeepClone()Creates deep copy of object ShallowClone()Creates shallow copy of object
Method Description GetPropertyValue(string name)Gets property value by name SetPropertyValue(string name, object value)Sets property value by name HasProperty(string name)Checks if property exists
Located in Nextended.Core.Extensions.TypeExtensions
Method Description IsNumeric()Checks if type is numeric IsNullable()Checks if type is nullable GetUnderlyingType()Gets underlying type of nullable HasAttribute<T>()Checks for attribute GetAttribute<T>()Gets attribute instance
Method Description GetPublicProperties()Gets all public properties GetProperty(string name)Gets property by name CreateInstance()Creates new instance of type
Located in Nextended.Core.Extensions.TaskExtensions
Method Description WithTimeout(TimeSpan)Adds timeout to async operation FireAndForget()Executes task without waiting FireAndForget(Action<Exception>)Fire and forget with error handler WaitSafely()Safe synchronous wait
Located in Nextended.Core.Extensions.SerializationHelper
Method Description ToJson()Serializes to JSON ToJson(Formatting)Serializes with formatting FromJson<T>()Deserializes from JSON
Method Description ToXml()Serializes to XML FromXml<T>()Deserializes from XML
Method Description ToYaml()Serializes to YAML FromYaml<T>()Deserializes from YAML
using Nextended.Core.Extensions ;
string text = "hello world" ;
string camelCase = text . ToCamelCase (); // "helloWorld"
string pascalCase = text . ToPascalCase (); // "HelloWorld"
bool isEmail = "test@example.com" . IsValidEmail (); // true
using Nextended.Core.Extensions ;
var numbers = new [] { 1 , 2 , 3 , 4 , 5 };
// Batch processing
foreach ( var batch in numbers . Batch ( 2 ))
{
// Process batch
}
// Safe operations
List < int > nullList = null ;
bool hasItems = nullList . SafeAny (); // false, no exception
using Nextended.Core.Extensions ;
var source = new SourceClass { Name = "John" };
var target = source . MapTo < TargetClass >();
// With settings
var settings = ClassMappingSettings . Default
. IgnoreProperties < SourceClass >( s => s . InternalField );
var result = source . MapTo < TargetClass >( settings );
using Nextended.Core.Extensions ;
// Add timeout
var result = await LongRunningOperationAsync ()
. WithTimeout ( TimeSpan . FromSeconds ( 30 ));
// Fire and forget
SendEmailAsync (). FireAndForget (
ex => Logger . LogError ( ex , "Email failed" )
);