ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2025
Character string: How do I extract, delete or replace words?
This page presents the main operations that can be performed on a character string.
Functions for managing RTF controls
List of functions for managing RTF controls
<Table>.ToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
CharactTypeCount (Function)
Returns the number of characters matching a given type.
TableToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
StringDeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
<ANSI string>.EndsWith (Function)
Checks whether a character string ends with:
  • a specific string.
  • one of the strings in an array.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
Length (Function)
Returns:
  • the length of a string, i.e., the number of characters in the string (including spaces and binary zeros).
  • the size of a buffer, i.e., the number of bytes in the buffer.
<ANSI string>.DeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
TimeToString (Function)
Converts a time to a string in the specified format.
FOR ALL/FOR EACH statement (browse of strings)
The FOR EACH statement is used to browse strings according to different methods...
<ANSI string>.Increment (Function)
Increments a number at the beginning or at the end of a string.
XMLToText (Function)
Converts a character string in XML format into a standard character string.
Translating programming messages
When developing a multilingual application, you can translate the different messages displayed to the user (messages displayed by Info and YesNo, for example.
String functions (prefix syntax)
The following functions are used to handle strings, using prefix syntax:
String literals: single-line and multiline strings
String literals are used to represent and manipulate data as a sequence of characters. For example, string literals can be used to display information, define a constant, etc.
RTFInsert (Function)
Inserts a character string in RTF into the content of an RTF control (found in a window or in a report) or into the content of a character string in RTF.
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings that match the format.
JSONToString (Function)
Converts the content of a JSON variable to a JSON string.
iPrintWord (Function)
Sends the character string passed in parameter to the print buffer.
NoAccent (Function)
Converts accented characters in a string to non-accented characters.
NoRightCharacter (Function)
Returns a string after removing the specified characters from the right side of the initial string.
StringDelete (Function)
Deletes:
  • all the occurrences of a substring within a string.
  • part of a string within another string. The part of the string to remove is identified by its position and length.
StringEndsWith (Function)
Checks whether a character string ends with:
  • a specific string.
  • one of the strings in an array.
<Type Buffer>Decode (Function)
Decodes a character string that was encoded by Encode.
StringIncrement (Function)
Increments a number at the beginning or at the end of a string.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
Phonetic (Function)
Returns the phonetic transcription of the string passed as parameter.
Decode (Function)
Decodes a character string that was encoded by Encode.
RTFAdd (Function)
Adds a character string (in RTF or not) at the end of RTF edit control, RTF control in a report or character string containing a text in RTF.
Middle (Function)
Extracts:
  • a substring from a string starting at a specified position.
  • part of a buffer starting at a specified position.
Functions for managing Dates and Times (prefix syntax)
List of functions for managing dates and times
Manipulate character strings
WINDEV, WINDEV Mobile and WEBDEV allow you to perform different types of operations on character strings via the WLanguage functions...
UUDecode (Function)
Decodes a character string in UUEncode format.
Hash functions
Hashing is used to summarize a file or a character string...
Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
<ANSI string>.CharactTypeCount (Function)
Returns the number of characters matching a given type.
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
Truncate (Function)
Truncates the right part of a string or buffer.
<Type Buffer>Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
Date and Time functions
List of functions for managing dates and times
Unicode in character strings
The Unicode format is an encoding system that assigns a unique number to each character.
RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
Position (Function)
Finds the position of a specified string within another string.
NoLeftCharacter (Function)
Returns a string after removing the specified characters from the left side of the initial string.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
<Unicode string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
ExtractStringBetween (Function)
Allows you to:
  • extract a substring between two given separators from a character string.
  • search for substrings between two given separators in a character string.
NoCharacter (Function)
Returns a string after removing the specified leading and trailing characters.
<ANSI string>.Insert (Function)
Inserts a string into another character string at a given position.
<ANSI string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
Multilingual messages: Convert to new format (version 27 and later)
WINDEV, WEBDEV and WINDEV Mobile have included multilingual project support in many previous versions...
StringInsert (Function)
Inserts a string into another character string at a given position.
<JSON variable>.ToString (Function)
Converts the content of a JSON variable to a JSON string.
CommonLength (Function)
Returns the number of common characters between two strings (from the beginning or from the end of the string).
fAddText (Function)
Adds the content of a character string at the end of a file.
String functions
List of functions for managing character strings
Trace (Function)
Displays the requested information (content of a control, for example) in a window opened next to the current window.
Installing a SOAP server with Netscape iPlanet 4.1
Message text file format
The text files created by WDMSG use a specific format......
LooperToExcel (Function)
Creates an Excel file from the data found in a Looper control (browsing Looper control or memory Looper control).
MemoryToFile (Function)
Automatically initializes the memory value of the items for the current file record with the values of the members of a class or structure.
SQLCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
Managing iconic fonts
Include special characters in your captions via the iconic fonts....
ComponentInfo (Function)
Returns information about a component.
Binding an Image control to an item
An Image control can correspond to an item found in a data file, in a query, ......
JSONExecute (Function)
Calls a server URL that returns data in JSON format (JavaScript Object Notation).
Options for generating the HTML pages
The options for generating the HTML pages in a WEBDEV project can be defined......
.NET object
To access a class......
Events associated with Edit controls
WLanguage events associated with Edit controls...
Installing a SOAP server with Apache
Reuse code via external components
WINDEV Tutorial: External components Reusing code with external components - 40 min
Constants for managing ports
List of constants used by the functions for port management (serial and parallel ports)...
Control style: Font characteristics
You can change many style options in the "Style" tab of the control description window......
Dynamic Automation object
A dynamic automation object is an automation object allocated upon request, during the program execution...
Creating a WINDEV application for Linux
WINDEV allows you to create native 64-bit Linux executables. Their UI is developed with the window editor....
Error 204: using a parameter without optional value after parameters ...
LooperModify (Function)
Changes the values of the attributes in a row of a Looper control.
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
fOpen (Function)
Opens an external file (ANSI or UNICODE) in order to handle it through programming.
ListAdd (Function)
Adds an element to a List Box, ListView or Combo Box control populated programmatically.
Configuring the titles of columns (Table control)
The title of table columns is an important element of Table control......
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