Delphi String Array

An array is an ordered collection of values. So I need to first get the file as a string and the find whether there are \n or \r\n inside the string. There is a significant new feature in the Object Pascal language for XE7 and that is the improved support for initializing dynamic arrays and operating on them. String-valued functions return NULL if the length of the result would be greater than the value of the max_allowed_packet system variable. you must convert a string into variant array of bytes and every character from string is a value in. How do I convert an array of char to a string? I have a normal array of characters and I want to convert its values to string. Array Length Array. Trying to understand the basics Hi, I'm trying to understand the basics about securing my pc. There are a few restrictions, but it is a welcome step toward making more programmers aware of the joys of Delphi. Description: The Array keyword provides single and multi dimensional arrays (indexable sequences) of data. Once you have your array you can fill the array with the values from the string, however there is some offset since the ascii representation of the character '1' isn't equivalent to 1. JSON support in Delphi2010, a simple example Posted on mer 25 novembre 2009 in ITDevCon During last ITDevCon in Verona (ITALY) I talked in a session with title “Marshal and UnMarshal in Delphi 2010″ (we have published some photos about this great conference here ). Assuming S is a string and A is a dynamic array of Byte: SetLength(S, Length(A)); Move(A[0], S[1], Length(S) * SizeOf(S[1]));. Pingback: Automatically JSON Serialize A DataSet For REST In Delphi XE6 Firemonkey On Android And IOS | Delphi XE5 XE6 Firemonkey, Delphi Android, Delphi IOS. (Delphi DLL) Create JSON Array of Strings. each element of that array is in turn another array and so on. Although my string only consists of a single letter, which actually corresponds to a char, the function does not accept my input. net I have 5 string variables, and i have a moment which I want to store (concatenate) them into one with ; separator. TStrings At design time, properties based on TStrings provide a way to enter several lines of text. Please don't dismiss it because it isn't full of graphics, scripts, cookies, etc! Click here if you want to know more about the source and format of these pages. Edit JSON Example online. I have a PowerBuilder 5. A string is an array of chars, so is an array of strings an array of array of chars?. Now, if you look into the source of the page, you can see the base 64 string rendered as an image. ACol is the column coordinate of the cell, and ARow is the row coordinate of the cell. It's free to sign up and bid on jobs. In the old days, when you needed an array in your Delphi program, the array had to be static, which meant its size had to be known at the time you wrote your code. JSON(JavaScript Object Notation) 是一种轻量级的数据交换格式。易于人阅读和编写。同时也易于机器解析和生成。 它基于JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999的一个子集。. The number of strings contained within the object's internal array (i. You can find the size of the array in the memory as I show it above. Delphi has four kinds of strings: short, long, wide, and zero-terminated. For debugging purpose Im thinking of creating a simple parses that will parse method arguments and create simple Log call function. The internal format of TColor can have five formats: 1. The records are from csv files. Remoting SDK Docs; Getting Started; Core; Servers; Clients; IDE Integration; Tools; API Reference. Once you have your array you can fill the array with the values from the string, however there is some offset since the ascii representation of the character '1' isn't equivalent to 1. I'm trying to find a Delphi function that will split an input string into an array of strings based on a delimiter. How to use the string grid component to display data in a table format. Although the syntax is unfortunately very similar, an open array parameter should not be confused with a Delphi. Rather than string array use List(of T) generic class, which represents a strongly typed list of objects that can be accessed by index; provides methods to search, sort, and manipulate lists. TWebBrowser and POST request Delphi/C++Builder. The array shall contain enough storage for the copied characters. You can declare a dynamic array like this: Customers: array of string; Before adding an element, you have to call the SetLength function to. 100 but may only populate the 1st 3 positions. If you combine more than one byte, you can store. The typical way to send binary in JSON is to base64 encode it. A string is a sequence of zero or more characters wrapped in quotes with. In Delphi, there are two types of arrays: a fixed-size array which always remains the same size--a static array--and a dynamic array whose size can change at runtime. For a short-string variable, SetLength simply sets the length-indicator character (the character at S[0]) to the given value. Strings are just packed arrays of type Char. Managed (reference counted) types like strings, interfaces, etc. Parsing the String into a TDateTime; Converting the TDateTime in UTC timezone to your local timezone; For Task 1, there is already a built-in routine if the String is a timestamp in ISO8601 format: ISO8601ToDate(. I always considered that Delphi’s String type was one of its remaining strong. That is, the index of the first character in the string instance is zero. This is a special case of the Open array construction, where you are allowed to pass any expression in an array to a function or procedure. Hello, ok i have a problem with 3d dimensional dynamic array. Ultimate Delphi Resource from DelphiBasics. $010000nn -- Create using the PaletteIndex function 3. Ideally suited for using with 2D arrays. Delphi has three basic array types : 1. Variants can hold variant arrays of different sizes, dimensions, and base types. Pascal has a traditional way of handling strings, Windows has its own way, borrowed from the C language, and 32-bit versions of Delphi include a powerful long string data type, which is the default string type in Delphi. Each position in the array can be addressed with an integer index simply by. In this case the arrays can be preallocated and reused over the various runs of the algorithm over successive words. String-related allocations can be a burden. 15] of String; > > I want to be able to set all the "cells" to an empty string > because the are strings, you have to itterate every member, setting it. To find the name of the backing array, we can print all the Fields of String Class using below code and search one with type char[]. Multi Thread Delphi Example : Illustrates how to use Absolute Database in multithreaded application. UrlEncode, UrlDecode, Base64 encode, Base64 decode and MD5 hashing algorithms are among the many free tools available. PChars are, with short strings, one of the original Object Pascal string types. Porém, caso utilize versões mais antigas do Delphi(D6, D7) utiliza-se a função AnsiMatchStr, ambas as funções estão definidas na unit StrUtils. It scans for separating characters, extracting the text either side of the separator into substrings. Net) and want to store them in a dynamic "arrays" or object list. string和Char数组都是一块内存,其中存放连续的字符. Arrays can be used to pass large amount of data to and from automation servers. In particular, if S is a WideString, the Length is in characters, not bytes. Get two integers from the user, then create a two-dimensional array where the two dimensions have the sizes given by those numbers, and which can be accessed in the most natural way possible. The idea is to use c_str() function to convert the std::string to a c-string. The solution is to first declare a new type, say TProgrammingLanguages = array of string;. Although the class/object name includes the word "Array", it should not be confused with an array in the sense of the primitive array type used in a given programming language. Variants can hold variant arrays of different sizes, dimensions, and base types. The array shall contain enough storage for the copied characters. [UPDATE] For a more complete example of building a RESTful service client with Delphi, and a RESTful JSON service using PHP, check out my "Brutally Roll Your Own Backend" video series!. This data can be anything from very flexible structures holding diverse data to a very fast way to pass binary data. Arg 1 & 2 are to be modified by the DLL proc. the first letter is upper case and the rest is in lower case. Constant declaration The compiler must be able to evaluate the expression in a constant declaration at compile time. pos Position of the first character to be copied. In fact, it can be done in a single line. I've found a lot on Google, but all seem to have their own issues and I haven't b. For single-byte and multibyte strings, Length returns the number of bytes used by the string. In this post, we will discuss how to convert a string to char array in C++. Lazy is provided, a lazy list of bytestring chunks. ShortDesc & LongDesc - Four nested strings. How it's done This article assumes that the data you embedded was in the RCDATA format. array of const: array of const for C++Builder: array of const for other compilers: array of const vs. Arrays can be passed to any routine as parameters. Delphi strings are encoded internally as UTF-16. Delphi-PRAXiS Sprachen und Entwicklungsumgebungen Object-Pascal / Delphi-Language Delphi How to reverse array of any array of any type (numbers, string, booleans. In order to understand strings, one has to keep in mind that a string is made up of an array of characters. There are a few restrictions, but it is a welcome step toward making more programmers aware of the joys of Delphi. Sometime we need some special directories path from Microsoft Windows system to store User data or to copy some files etc. For very large data requirements, or constraints on heap size, Data. They may be single or multidimensional - the latter. It scans for separating characters, extracting the text either side of the separator into substrings. In current 32 bit Delphi, memory can (with a few exceptions) be seen as an array of maximum 2 gigabytes in size (2 31 bytes). Of course, in J, array concatenation works (consistently) on arrays of any rank or dimension. AddPair() works fine for integers and strings, but I can't find any information on working with those unorthodox elements. Java String to String Array Example 3. Hello, who can tell me how to format a string in Delphi? I must format 09-120-123456 into: 091200123456 it is, remove the dashes and insert additional 0 in the middle to make a 13 character long string. An introduction to JSON and using it within RadStudio Delphi or C++ Builder. delphi ftp Software - Free Download delphi ftp - Top 4 Download - Top4Download. Delphi has three basic array types : 1. An array keeps track of multiple pieces of information in linear order, a one-dimensional list. Like open-string parameters, open-array parameters can only be passed as open-array parameters again. September 18, 2014. 2003-12-31 07:57:56 PM delphi262 Hello, I have got an array of 9 integers that I'd like to convert it into one string. In programs, an array's size is set differently than List or ArrayList. Check if an element exists in an array So the problem appeared today, when I wanted to see if a specific integer number appeared in an array of integers. Assuming S is a string and A is a dynamic array of Byte: SetLength(S, Length(A)); Move(A[0], S[1], Length(S) * SizeOf(S[1]));. To make it simple, a type is a variable attribute. View Test Prep - CHAPTER 8 - ARRAYS, LISTS AND INDEXES from COS114X 114X at University of South Africa. This approach has many disadvantages and is no longer recommended. Automation arrays are self descriptive, beside the data itself they house information on the array size and dimensions as well on the element size. On the other hand, C#'s string is actually a string, not an array of bytes. The issue was how to handle an array of fixed length strings. _ArrayList is an array that you define as the type that you need in. There are a few restrictions, but it is a welcome step toward making more programmers aware of the joys of Delphi. It scans for separating characters, extracting the text either side of the separator into substrings. For a short-string variable, SetLength simply sets the length-indicator character (the character at S[0]) to the given value. Just use BINTOHEX and HEXTOBIN functions from classes. Converting a byte array to a string in C# is easy. at the moment I keep getting 'incompatible types' errors. com,Stack Overflow,Are you a beginner or expert Delphi developer? Looking for how to get started or need advice and help for a quick solution to your daily Delphi problems?. In Object Pascal or Delphi mode, Free Pascal supports the Array of Const construction to pass parameters to a subroutine. View Roberto G. each element of that array is in turn another array and so on. The draft never made it to a full standard, but some Apple dialects are pretty close to it. A string is a sequence of zero or more characters wrapped in quotes with. IndexOf ( yourSearchString ) ); And you can also convert ArrayList to Array of string. An array is an ordered collection of values. The sort order can be either alphabetic or numeric, and either ascending (up) or descending (down). Net) and want to store them in a dynamic "arrays" or object list. Something like this: The parser would have simple form with Memo control, that I would copy paste a method definition into it, for example: procedure MethodA(const P. Parser Structure. The single and 2D dimensional arrays are the 2 most frequent dimensions. split(' ') would produce dynamic array ['Hello', 'World']. Split String To Array A simple function that accepts a string and a delimiter char, splits a string into tokens (TStringList items) delimited with a char value. Ein statisches Array ist ein Array, das seine Größe behält. Before Delphi 2009 you have to write your own Sort function. You may have to register before you can post: click the register link above to proceed. It has following prototype: string (const char* s); where s is a pointer to an array of characters (such as a c-string). Delphi > Funções para strings Contador de palavras Conta palavras existentes numa string ou campo de texto, memo, richedit, etc e permite manipular ou mostrar o resultado. strcpy function. Please don't dismiss it because it isn't full of graphics, scripts, cookies, etc! Click here if you want to know more about the source and format of these pages. Here's a stripped down and simplified version of my code: mylist. -- Using "array of char" dynamic array type is make no sense because it actually String(long). Anyway, anyone know a solution to such. Delphi introduced “dynamic arrays”. XE), existe a função MatchStr que pode fazer esse trabalho por você. And the values that we pass in a function call is called as Arguments. Program Delphi - Free download as Powerpoint Presentation (. Split String To Array A simple function that accepts a string and a delimiter char, splits a string into tokens (TStringList items) delimited with a char value. In the old days, when you needed an array in your Delphi program, the array had to be static, which meant its size had to be known at the time you wrote your code. Borland Delphi 4 features a number of Object Pascal language enhancements, as usual. View Roberto G. Parsing the String into a TDateTime; Converting the TDateTime in UTC timezone to your local timezone; For Task 1, there is already a built-in routine if the String is a timestamp in ISO8601 format: ISO8601ToDate(. A string which remains the same on reversal is a palindrome string. Or go to Delphi school before start to write gsm related app. TStrings At design time, properties based on TStrings provide a way to enter several lines of text. I'm trying to add an object array to an array in TypeScript (for an Angular 2 app). The first byte of this array stores the length of the string. ordered collection). Demonstrates how to create a JSON array of strings. Open Visual Studio (I’m using VS 2013), then create a new ADX COM Add-in project and name it StatusReport (see image below). Like other scripting languages, DelphiScript supports one- and multi-dimensional arrays. Rutils contains Implode and Explode functions which turns Array Of Strings into a single String and vice versa. You have UTC -02:00 in your time part and when time is converted to local time your date ends up to be day before. I'm not speaking of number of bytes of a string If you have a string then you can put it into an array if you divide that string for charactersIn my above example,that's a pascal example,can be look that But if we speaking about delphi then see the down link for more information. This is the snippet Determine if a Value Exists in an Array without Looping on FreeVBCode. The string can be fed into TStringList. I noticed the in C# arrays' length can't be extented in run time. Ultimate Delphi Resource from DelphiBasics. Anyway, anyone know a solution to such. Save this as uFrmPrincipal. In Delphi code, Length returns the number of characters actually used in the string or the number of elements in the array. Split String To Array A simple function that accepts a string and a delimiter char, splits a string into tokens (TStringList items) delimited with a char value. You have to pass to first element instead to avoid this. For a list of these codes, see VarType. Delphi Array (x=Array[0. A PChar is a Pointer to a null-terminated string (array) of characters. Object Pascal has many string types because when a new type is introduced, the old one is kept for backwards compatibility. The ColCount and RowCount property values define the size of the array of strings. You can reuse that pinning pointer for other arrays of char without casing a memory leak. JSON support in Delphi2010, a simple example Posted on mer 25 novembre 2009 in ITDevCon During last ITDevCon in Verona (ITALY) I talked in a session with title “Marshal and UnMarshal in Delphi 2010″ (we have published some photos about this great conference here ). In most scenarios, you declare an array as a variable, which allows for array elements to be changed at run-time. ExpandNetList(var List: tstringlist); Create the string list before passing it into the procedure Or a function can return a stringlist. Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively. This is a special case of the Open array construction, where it is allowed to pass any expression in an array to a function or procedure. Over on the mailing lists @silvioprog just pointed out his library can be also be used with Array Of String. I've found a lot on Google, but all seem to have their own issues and I haven't b. Hi, is there any function in the libraries of fpc for splitting a string into an array naming the separator? In awk for eample if you do this: split("ab-cd-ef",. Size of 2D Arrays • When you write a method that has a 2D array as a parameter, how do you determine the size of the array? 7 Hint: • Consider a variable words, a 1D array of String references. IndexOf ( yourSearchString ) ); And you can also convert ArrayList to Array of string. Something like this: The parser would have simple form with Memo control, that I would copy paste a method definition into it, for example: procedure MethodA(const P. Values are separated by ,comma. In most scenarios, you declare an array as a variable, which allows for array elements to be changed at run-time. util package and extends java. Here's a stripped down and simplified version of my code: mylist. This property editor has been designed to get round two limitations of the standard Delphi string property editor. Create the Excel add-in project. Get two integers from the user, then create a two-dimensional array where the two dimensions have the sizes given by those numbers, and which can be accessed in the most natural way possible. Arrays can be defined statically in the var section or created dynamically using the CreateVariantArray, CreateVariantArray2 or CreateVariantArray3 functions. Char数组就不必说了吧?PChar是一个指针, 它的大小只有32位. One advantage of Delphi's dynamic arrays is that they are automatically freed once they go out of scope. Dim files As New List(Of String) ' inside loop files. You would expect a ram use of 21x20000, about half a meg. You can find the size of the array in the memory as I show it above. Arrays in JSON are almost the same as arrays in JavaScript. A null-terminated string is a zero-based array of characters that ends with NUL (#0); since the array has no length indicator, the first NUL character marks the end of the string. For debugging purpose Im thinking of creating a simple parses that will parse method arguments and create simple Log call function. Here it makes sense to output the individual bytes in hexadecimal form as a string. There is a significant new feature in the Object Pascal language for XE7 and that is the improved support for initializing dynamic arrays and operating on them. Like open-string parameters, open-array parameters can only be passed as open-array parameters again. System class provides useful methods for standard input and output, for loading files and libraries or to access externally defined properties. If the array would only hold "unmanaged" types, you could simply use FillChar. S is a Delphi string or dynamic-array variable. ordered collection). Parser Structure. Converting String to byte[] in Java. Project Tutorials. Delphi provides TStringlist class to main list of strings easily. In the example we are using the following definition of a byte array: type TByteArr = array of Byte;. This data can be anything from very flexible structures holding diverse data to a very fast way to pass binary data. I realize this is probably old hat to many of the more experienced programmers out there, but there are a lot of novice Delphi programmers who don't know how to work with text files at all. Chilkat for Delphi Downloads. NET Core C# • C# UWP/WinRT • DataFlex • Delphi ActiveX • Delphi DLL • Visual FoxPro • Java • Lianja • MFC • Objective-C • Perl • PHP ActiveX • PHP Extension • PowerBuilder • PowerShell • PureBasic • CkPython • Chilkat2-Python. You can do like this. Search for jobs related to Delphi format string or hire on the world's largest freelancing marketplace with 15m+ jobs. Quick question. Download Absolute Database | Learn more unit uMain; interface {$I. You have UTC -02:00 in your time part and when time is converted to local time your date ends up to be day before. [delphi] array of string to string General. Chilkat for Delphi Downloads. Delphi-PRAXiS Sprachen und Entwicklungsumgebungen Object-Pascal / Delphi-Language Delphi How to reverse array of any array of any type (numbers, string, booleans. And finally, copying string you are splitting and then deleting parts of the string is not optimal implementation. Up to Count characters are copied from the StartChar of the Source string to the returned string. implementation {$R *. How can I do this? Edit: Originally this question asked about "array of string to string", but the OP accepted an answer that said "array of char, to string". Roberto has 14 jobs listed on their profile. DELPHI - How get MD5 hash value for string (RSA-MD5 fingerprint) Hash function returns same value for same string. The startIndex parameter is zero-based. Rutils contains Implode and Explode functions which turns Array Of Strings into a single String and vice versa. The size does not grow dynamically. Para poder manipular o mesmo, geralmente precisamos de um TJsonArray. First, string length is limited to 255 characters and is not used directly when calling API functions requiring an LPSTR. Simply put, Short String is a counted array of (ANSII) characters, with up to 255 characters in the string. The builder is coded in XE2 while the stub is coded in Delphi 7. Porém, caso utilize versões mais antigas do Delphi(D6, D7) utiliza-se a função AnsiMatchStr, ambas as funções estão definidas na unit StrUtils. The ColCount and RowCount property values define the size of the array of strings. No copy-on-write semantics. I wrote above method to get listBox items to array and return array but when using that method I am getting exception NullreferenceExeception was unhandle by user code I couldn't find a way to go throw it. -- Using "array of char" dynamic array type is make no sense because it actually String(long). Early Pascal implementations that were in use before 1978 did not support a string type (with the exception of string constants). Net) and want to store them in a dynamic "arrays" or object list. Given the contents of a string array, how can I find its index (apart from scanning in a loop)? ie foobar[10]:='12345' given the string 12345, how can I find which element it is in the array?. Each position in the array can be addressed with an integer index simply by. I have a string that I would like to convert to a char, because I can only pass it to a function like that. $1d] of char; //03. If contains both text and numbers. Index and Count are integer-type expressions. Parsing the String into a TDateTime; Converting the TDateTime in UTC timezone to your local timezone; For Task 1, there is already a built-in routine if the String is a timestamp in ISO8601 format: ISO8601ToDate(. Description: The Array keyword provides single and multi dimensional arrays (indexable sequences) of data. Check if an element exists in an array So the problem appeared today, when I wanted to see if a specific integer number appeared in an array of integers. 1 Ordinary constants Ordinary constants declarations are not different from the Turbo Pascal or Delphi implementation. When working with Byte Arrays sooner or later the question of visualization raises. In most scenarios, you declare an array as a variable, which allows for array elements to be changed at run-time. you must convert a string into variant array of bytes and every character from string is a value in. For example:. Delphi once had an array of volumes, and they made it much easier for newcomers to the language to be productive quickly. Then use that in both the class declaration and in the method parameter. Diese Strukturen können ineinander. Como converter uma string para um Json Array? Muitas vezes temos um json recuperado de uma url ou salvo em um banco de dados como uma string. Since this was the main string type in Delphi 1 (16 bit Delphi), the only reason to use Short String is for backward compatibility. $00bbggrr -- Create using the RGB function 2. Delphi - Create a constant array of strings - Stack Overflow. What these bytes contain, depends on how the contents are interpreted, i. string to char delphi (2) I want to copy the content in the string to char array. can set the length of a string by SetLength(s) can limit the length by defining it as a variable "String[x]" where x = length; can determine length of a string by Length(s) (in early Delphi, used s[0] to determine length). The fact that dynamic arrays and strings share key RTL functions (Copy, Length and SetLength) frequently leads me to forget this, as well as the fact that dynamic arrays aren’t in fact pure reference types in use. DelimitedText. Packed-string types are compatible with string types and with other packed-string types that have the same number of elements. Re "How can I declare array of strings C++?", why would you want to do that??? That would be an exceedingly bizarre thing to do in C++! But if you insist, you would do that the same in C++ as you would in C: [code]// Make a dangerous array of 20 s. How to use the string grid component to display data in a table format. PS: In Delphi/Pascal I would do something like : type aEmployee = record Name : string. If the Base64 string is a valid image it will be displayed in full size. The typical way to send binary in JSON is to base64 encode it. I think you did not understand me. If it is ArrayList, there is not much problem. So the String alias setting should be made following the compiler mode setting to prevent it from being overridden:. Constant declaration The compiler must be able to evaluate the expression in a constant declaration at compile time. Position 0 is reserved for the current length of the string (instead of the 'C' convention of terminating the string with a 0 - this also explains why a TP string can only be 255 characters long and 'C' strings can be longer). Check if an element exists in an array So the problem appeared today, when I wanted to see if a specific integer number appeared in an array of integers. Although my string only consists of a single letter, which actually corresponds to a char, the function does not accept my input. Up to Count characters are copied from the StartChar of the Source string to the returned string. Populate treeview from string array. Over on the mailing lists @silvioprog just pointed out his library can be also be used with Array Of String. Your structure is fine. And you can't create a 'set of string' structure either. Improvement I suggested searching for string found in step one in the second array. Javascript array to json. The search can be stopped as soon as the minimum Levenshtein distance between prefixes of the strings exceeds the maximum allowed distance. You can construct arrays of simple data types, such as INT64 , and complex data types, such as STRUCT s. In the first, it creates a new string from part of an existing string. Delphi has the following string types (in order of popularity):. You can do like this. First, let's define a type. Description: The Array keyword provides single and multi dimensional arrays (indexable sequences) of data. Blobs (Binary Large Objects) are used to store large amounts of data, such as Images Sound files Raw binary data Formatted text In general, it is a BAD idea to store these types of data in blobs, I prefer to store the data as separate files and have the database simply point to them but there are exceptions. Lazarus IDE: http://www. To create a string from a range of characters in a character array, call the String(Char[], Int32, Int32) constructor. To convert from dotted IP4 Address string value. Como dividir uma String em um Array utilizando Delphi 27 de janeiro de 2011 / 1 Comentário / em Delphi / por Andreano Lanusse Isso pode parecer básico, mas no final das contas é muito útil e muitos não sabem, então resolvi compartilhar aqui no blog. Something like this: The parser would have simple form with Memo control, that I would copy paste a method definition into it, for example: procedure MethodA(const P. Program Delphi Array - Free download as Powerpoint Presentation (. First, let's define a type. It scans for separating characters, extracting the text either side of the separator into substrings. If it is ArrayList, there is not much problem. The element type cannot be varString or a custom System::Variant type. My question is, am I correct in using the array[] of char to store the data. Dynamic arrays can vary in size. Improvement I suggested searching for string found in step one in the second array. It is mostly. The verb , concatenates by treating the argument array with the largest number of dimensions as a list. The startIndex parameter is zero-based. Delphi provides several methods to parse a string, but you might find that neither one does exactly what you need. the first letter is upper case and the rest is in lower case. Packed-string types are compatible with string types and with other packed-string types that have the same number of elements.