String

string

Great Reads

by Sarang Date

Any string input can have these many possible states1) String is null2) String is empty3) String contains nothing but white space4) String has some contentTill now, .NET had static method for stringbool string.IsNullOrEmpty()which handled first two conditions for...

.NET 4: string.IsNullOrWhitespace()

by jfriedman

public static class StringExtensions { public static bool IsNullOrWhitespace(this string s) { if (null == s) return true; return string.IsNullOrEmpty(s.Trim()); } }

.NET String Interning to Improve String Comparison Performance (C# Examples)

by Ben Hall (failingfast.io)

It's worthwhile knowing the what, when and why to improving string comparison performance. In this article, I will explore one way, string interning.

A C# way for indirect width and style formatting.

by JesseChisholm

FormatEx is a method that allows structuring formatting placeholders indirectly from arguments.

Latest Articles

.NET 4: string.IsNullOrWhitespace()

by Sarang Date

.NET 4: string.IsNullOrWhitespace()

by jfriedman

public static class StringExtensions { public static bool IsNullOrWhitespace(this string s) { if (null == s) return true; return string.IsNullOrEmpty(s.Trim()); } }

.NET String Interning to Improve String Comparison Performance (C# Examples)

by Ben Hall (failingfast.io)

It's worthwhile knowing the what, when and why to improving string comparison performance. In this article, I will explore one way, string interning.

A C# way for indirect width and style formatting.

by JesseChisholm

FormatEx is a method that allows structuring formatting placeholders indirectly from arguments.

All Articles

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string

.NET 4: string.IsNullOrWhitespace()

by Sarang Date

.NET 4: string.IsNullOrWhitespace()

by jfriedman

public static class StringExtensions { public static bool IsNullOrWhitespace(this string s) { if (null == s) return true; return string.IsNullOrEmpty(s.Trim()); } }

A custom string to handle UTF8 natively in C#

by Pascal Ganaye

A custom C# string implementation that stores its data in a UTF8 byte array.

A Few Missing Methods on BinaryReader

by honey the codewitch

BinaryReader needs a better way to read strings and types. Here's a quick and dirty fix

A String.StartsWith that uses a StringComparer

by PIEBALDconsult

An Extension Method that is similar to String.StartsWith, but uses a StringComparer

A String.StartsWith that uses a StringComparer

by Andreas Gieriet

This alternative is not substantially different, it simply splits the function into two:one for clippingone for comparingpublic static string ExtClipRight(this string a, int n){ return (n < 0 || a.Length <= n) ? a : a.Substring(0, n);}...public static bool...

A way to disable "auto-select based on partial string match" of items in an editable CComboBox upon drop-down

by Code-o-mat

Combo boxes under Windows have a "nice" feature of automatically selecting an item for the user when the user drops down the list of the combo box. This selection is based on partial string matching by the combo box, namely, it will select the first item in the list -if any- that begins with the...

Alphanumeric count up

by HiDensity

Class providing methods to count up a string using a definable character set.

C#: Generating Hash String

by DiponRoy

Create hash and compare

C++: Converting an MFC CString to a std::string

by CalicoSkies

C++: Converting an MFC CString to a std::string

by jean Davy

As you use CString, you have access to the CW2A ATL macro, assuming that you work with _UNICODE defined, here it is:CString theCStr;...std::string STDStr( CW2A( theCStr.GetString() ) );which will convert to "system encoding on the user's machine" (thanks Nemanja[^] comment !), if you...

C++: Converting an MFC CString to a std::string

by oleg63

CString m_Name;CT2CA pszName(m_Name);std::string m_NameStd(pszName);Works for me everywhere... :)

C++: Converting an MFC CString to a std::string

by steveb

In UNICODE:CString str = L"Test";std::wstring ws(str);std::string s;s.assign(ws.begin(), ws.end());

C++: Converting an MFC CString to a std::string

by Kaqkk79

How about this (assuming your project is set to Unicode)?CString strMyString=L"Test string";std::string strMyStdAnsiStr = CStringA(strMyString);

C++: Converting an MFC CString to a std::string

by geoyar

I am using CString str(_T("Test"));typedef std::basic_string string_t;string_t resStr(str);It works because the CSting has a cast to LPTCSTR.

C++: Converting an MFC CString to a std::string

by stonexin

LPSTR WideChar2MBCS( const CString& strCS ){ const UINT wLen = strCS.GetLength() + 1; UINT aLen = WideCharToMultiByte(CP_ACP,0,strCS,wLen,NULL,0,NULL,NULL); LPSTR lpa = new char[aLen]; WideCharToMultiByte(CP_ACP,0,strCS,wLen,lpa,aLen,NULL,NULL); return...

Code to Turn your TimeSpan into User Readable and Friendly Text

by Tomer Weinberg

A piece of code you can copy paste to transform TimeSpan into user readable UI text

Common Mistakes Made by Programmers

by TweakBird

Common Mistakes Made by Programmers

Convert Arabic Numbers or Digits to text

by xprog

Algorithm to convert Arabic Numbers to Arabic Text using C#

Convert PDF file content into string using C#

by ♥…ЯҠ…♥

Convert PDF content into text using C#, for beginners.

Convert View Model property name to string => made easy! (MVC3)

by Mikhail-T

Tutorial on how to create simple extension that converts view model propety name to string

Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

by Mikhail-T

A short one-line way to convert Array or List of any data into custom string via LINQ

Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

by Namlak

string blah = string.Join(",", cities.Select(c=> c.Name));

Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

by wgross

I would just use:string.Join(",", cities.Select(c=>c.Name))Since Version 4 of the Framework there is an overloaded versions of string.Join for IEnumerable too. It uses a StringBuilder internally and doesn't insert a seperator after the last element as well.I could't find the Join method...

Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

by Richard Deeming

If you're stuck with .NET 3.5, you can use the Aggregate extension method[^]:string cities_string = cities.Aggregate(new StringBuilder(), (sb, c) =>{ if (0 != sb.Length) sb.Append(", "); sb.Append(c.Name); return sb;}, sb => sb.ToString());

Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

by jarvisa

string.Join(",...

Converting TCHAR[] to string, while getting PC Name

by WajihUllahBaig

Hi there,Its been a while since I wrote my last article. Since got myself into a problem of getting the system name of my PC.I dragged my C instincts into the MSDN world of asking how to get the PC name.After fiddling for a while I got hold of the PC name, not that difficult as a...

Converting TCHAR[] to string, while getting PC Name

by Alain Rist

You might have considered using ::GetComputerNameA() which does the conversion for you:std::string GetSystemName(){ CHAR sBuf[MAX_COMPUTERNAME_LENGTH + 1] = {0}; DWORD dwLen = MAX_COMPUTERNAME_LENGTH; ::GetComputerNameA(sBuf, &dwLen); return std::string(sBuf);}Note...

Create Trim function in javascript

by shankeyshankey

Custom String FormatWith using Reflection

by Sumit Chawla

Custom String FormatWith using Reflection

by Matt T Heffron

This is an alternative for "Custom String FormatWith using Reflection"

Dictionary<string,T>.BestMatch

by George Swan

This is an alternative for "Dictionary.BestMatch"

Dictionary.BestMatch

by PIEBALDconsult

Extension methods to select a Dictionary entry using StartsWith

Formatting Strings in Binding

by Shweta Lodha

How to format strings in binding

Generate a Parameterized Random Char Sequence

by Shvetsov Evgeniy

How to generate a random sequence of chars with the specified parameters (e.g., length, char sets, char count per set, etc.)

How to add spaces between words in a spaceless strings

by Viktor Kovács

A simple solution for processing spaceless strings

How to Alter console.log

by R%S

Adding stuff to your logs.

How to run Makecert without password window?

by Andrianov

How to run makecert only in command string mode?

How to use PHP Magic to create a string builder with append format in PHP.

by M@dHatter

PHP Magic String Builder with Append Format.

How to use PHP Magic to create a string builder with append format in PHP.

by Fatih P.

Here is the one i wrote sometime ago/* ---------------------------------------------------------------------------- * Teknober.com - All rights reserved * ---------------------------------------------------------------------------- * File Name : TStringBuilder.php * Section ...

Implementing ICustomFormatter in C#

by honey the codewitch

How to provide custom formatters for string.Format() in C#

Introduction to Morse Code

by Kimahari

Morse code encryption.

Is Your string usable in the SL4 RichTextBox

by #realJSOP

Extension method that checks for a properly Xaml-ized string

Letter Case Conversion Algorithms: Title Case, Toggle Case

by DrABELL

Algorithms extending the System.Globalization.TextInfo.ToTitleCase Method

Load a Windows string resource into a std::string or std::wstring

by Alain Rist

A set of C++ functions to load the resource into an existing string or build the string from it

Load a Windows string resource into a std::string or std::wstring

by Aescleal

Alain's (original, now much hacked) narrow character version, could leak if std::basic_string::asign threw. To make the function exception safe either use a local buffer (if the size is fixed) or a vector (if the size isn't known).In both cases it's usually more efficient (and readable) to...

MathML to/from Plain Text Converter

by Xavier Junqué i de Fortuny

Converts MathML coded string to/from plain text string

Microsoft SQL Name capitalize function

by cluengas2k

Microsoft SQL Function To Proper Case A Name From A Given String

Minimize Spacing using Regex

by FrostedSyntax

Regex patterns that will condense multiple spaces, tabs or line breaks into a single space, tab, or line break.

NamingFormatter - String Interpolation in Runtime Solution

by Kouji Matsui

This library is simple and is a substitution of System.String.Format.

Performance analysis for String and StringBuilder

by Shweta Lodha

Performance analysis for String and StringBuilder

Proper, Translatable Pluralization in .NET with MessageFormat

by Jeffijoe

Writing properly formatted, grammatically correct, translatable UI messages

Read/Edit datetime Field on a XML File

by Bhis

Read XML File and change date contents

Regex to Match Version Number Beginning with a Specific Digit

by Brian C Hart

Example of how to use the caret (^) in Regexes that have specific matching requirements

Searching for shared motif between strings in C

by Amir Mohammad Nasrollahi

In this article, i consider the problem of identifying motifs in the biological sequence data sets. To solve this task, i present a new algorithm for finding patterns that just use library in C compiler and a new way to avoid using arrays search.

Simple Word Wrapping in C#

by honey the codewitch

Easily word wrap strings of text in C#

Solving "Value of type 'String' cannot be converted to '1-dimensional array of String'."

by shubha_vasisht

String concatenation using LINQ to create a CSV/PSV string

by JP_Rocks

A tip to concatenate a set of strings using comma/pipe

String concatenation using LINQ to create a CSV/PSV string

by Mohammad A Rahman

The idea was good, but I think we could probably do something like below:public static string UsingStringJoin(IEnumerable sList, string separator){ return sList.Any() ? string.Join(separator, sList.ToArray()) : string.Empty;}public static string...

String concatenation using LINQ to create a CSV/PSV string

by Mario Majčica

Or even better:public static string Join(this IList list, string joinString) { StringBuilder result = new StringBuilder(); int listCount = list.Count; int listCountMinusOne = listCount - 1; if (list != null && listCount > 0) { ...

String concatenation using LINQ to create a CSV/PSV string

by Erich Ledesma

I rather like IEnumerable than IList, parameters should be as general as posible. I think it's really getting very fun up here. Here's my choice, just for strings.public static string Join(this IEnumerable parts, string separator){ if (! parts.Any()) return...

String concatenation using LINQ to create a CSV/PSV string

by George Swan

You can use the Aggregate method with a StringBuilder. I've modified Eric's alternative in order to save a bit of code. Only one return statement is needed as an empty StringBuilder returns an empty string.public static string Join(this IEnumerable parts, string separator) { ...

String Interpolation: A New Feature of C# 6.0

by arora.abhishek

In this tip, you will learn about the new features of C# 6.0 String Interpolation.

String to byte conversion using .NET encoders (8bit 1-on-1)

by Tieske8

Fast conversion between strings and byte arrays, while bypassing the codepage limitations

String to byte conversion using .NET encoders (8bit 1-on-1)

by jocko3d

The TestConversion function is not valid. The line of code "data = data & Chr(n)" uses the Chr function to build a string of characters used for the test. The problem is that the Chr function is itself bound to a code page. Specifically, it will utilize the code page that is in use by the...

String.Insert - insert a separator on given positions

by Andreas Gieriet

This is an alternative for "String.Insert - insert a separator on given positions"

String.TryTo and String.To Extensions

by D Sarthi Maheshwari

Extension method on String class to convert string to IConvertible structs and nullable types

StringFormat Methods with string keys

by Maxim Fedotov

Presents StringFormat methods with string (not integer) keys in 'format' string.

To remove or replace multiple special character from string using sql queries.

by santosh poojari

To remove or replace multiple special character from string using sql queries.

Validate and Find Addresses with RegEx

by FrostedSyntax

Learn how to use regular expressions to find addresses or parts of an address in a given string. These patterns can also be used to verify that a given string is a true address.