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:
  • with a specific character string.
  • with one of the character strings in an array.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
<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:
  • with a specific character string.
  • with one of the character 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.
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
Handling 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.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
Date and Time functions
List of functions for managing dates and times
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.
Unicode in character strings
The Unicode format is an encoding system that assigns a unique number to each character.
<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
pdfAttachment (Type of variable)
The pdfAttachment type is used to define all the advanced characteristics of an attachment in a PDF document.
memcachedResult (Type of variable)
The memcachedResult type is used to define the characteristics of a value read on a Memcached server.
WDLog: Saving HFSQL data files
WDLog allows you to save all the HFSQL data files used by a WINDEV or WEBDEV application......
WLanguage functions available in PHP
Some WLanguage functions are not available in PHP......
XMLAddAttribute (Function)
Adds an attribute into an XML document.
SpeechSynthesisInitialize (Function)
Initializes the parameters of speech synthesis for the current application.
XMLAddChild (Function)
Adds a child tag into an XML document.
iPrintReport (External language)
Prints a report created with the report editor.
Value Description (Type of variable)
A Value Description variable is used to handle the description of an enumeration value through programming.
mongoCollection (Type of variable)
The mongoCollection type is used to define the advanced characteristics of a collection in a database of a MongoDB server.
Option Description (Type of variable)
An Option Description variable is used to handle the characteristics of a combination option through programming.
saasPricing (Type of variable)
The saasPricing type is used to define the advanced characteristics of a SaaS pricing.
MarkerImage (Type of variable)
The MarkerImage type is used to customize the image associated with a marker or a marker cluster displayed in a Map control.
RGB (Function)
Defines a color from its Red, Green and Blue components.
Uploading and downloading files on Internet (WINDEV FTP and RPC)
Several methods can be used to upload and download files by Internet......
SQLColumn (Function)
Returns the characteristics of all the columns (or items): for a given table. for a given query....
Toast (Type of variable)
The Toast type is used to define all the advanced characteristics of a toast notification.
External language: Programming in Pascal
We are going to call the elements developed in WINDEV (project, windows, ......
3. Managing sockets
WINDEV includes advanced socket management functions....
Socket constants
List of constants used by the functions for socket management....
AutomaticEvent (Type of variable)
The AutomaticEvent type is used to manage an automatic event.
ManualEvent (Type of variable)
The ManualEvent type is used to manage a manual event.
Constants for managing XLS files
List of constants used by the functions for managing XLS files....
mongoGridFS (Type of variable)
The mongoGridFS type is used to define the advanced characteristics of a file system for a MongoDB database.
Server triggers
Server triggers are stored procedures executed by the server before or after a write operation performed on a database file......
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