ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
Character string: How do I extract, delete or replace words?
This page presents the main operations that can be performed on a character string.
NoAccent (Function)
Converts accented characters in a string to non-accented characters.
PositionToLine (Function)
Returns the number of the line that contains a character identified by its position in a block of text.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
TextToXML (Function)
Converts an ANSI string to an XML 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.
iPrintWord (Function)
Sends the character string passed in parameter to the print buffer.
XMLToText (Function)
Converts a character string in XML format into a standard character string.
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings that match the format.
Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
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.
Position (Function)
Finds the position of a specified string within another 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.
<ANSI string>.Reverse (Function)
Reverses the characters of a string.
<Table>.ToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
<Type Buffer>Decode (Function)
Decodes a character string that was encoded by Encode.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
NoCharacter (Function)
Returns a string after removing the specified leading and trailing characters.
TableToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
Date and Time functions
List of functions for managing dates and times
Middle (Function)
Extracts:
  • a substring from a string starting at a specified position.
  • part of a buffer starting at a specified position.
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.
UUEncode (Function)
Encodes a character string according to the UUEncode algorithm.
<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.
NoRightCharacter (Function)
Returns a string after removing the specified characters from the right side of the initial string.
String functions
List of functions for managing character strings
CharactTypeCount (Function)
Returns the number of characters matching a given type.
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.
RTFReplace (Function)
Replaces or inserts a character string in an RTF control (found in a window or in a report) or in a string in RTF (containing a text in RTF).
Project string manager
WINDEV, WEBDEV and WINDEV Mobile include a string management tool that allows you to view and manipulate all the strings used in the project (or in an element of the project)...
ASCIIZ string of (Variable type)
The ASCIIZ string of type is used to manipulate strings with a null character at the end, denoted by a zero (as in the C programming language).
StringIncrement (Function)
Increments a number at the beginning or at the end of a string.
LineToPosition (Function)
Returns the position of the first character of a line in a block of text.
<ANSI string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
ExtractStringAfter (Function)
Extracts a substring from a given delimiter to the end of the string.
Versions 2026 and later
Note: This function is only available from version 2026 - Update 1.
Subscription-exclusive new feature
Note: This function is only available from version 2026 - Update 1.
New in version 2026
Note: This function is only available from version 2026 - Update 1.
Note: This function is only available from version 2026 - Update 1.
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.
<ANSI string>.DeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
fAddText (Function)
Adds the content of a character string at the end of a file.
ExtractStringBefore (Function)
Extracts a substring from the beginning of the string to a given delimiter.
Versions 2026 and later
Note: This function is only available from version 2026 - Update 1.
Subscription-exclusive new feature
Note: This function is only available from version 2026 - Update 1.
New in version 2026
Note: This function is only available from version 2026 - Update 1.
Note: This function is only available from version 2026 - Update 1.
Decode (Function)
Decodes a character string that was encoded by Encode.
JSONToString (Function)
Converts the content of a JSON variable to a JSON string.
StringDeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
Functions for managing RTF controls
List of functions for managing RTF controls
UUDecode (Function)
Decodes a character string in UUEncode format.
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.
Truncate (Function)
Truncates the right part of a string or buffer.
TimeToString (Function)
Converts a time to a string in the specified format.
<Unicode string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
Manipulating strings
WINDEV, WINDEV Mobile and WEBDEV allow you to perform different types of operations on strings using WLanguage functions...
FOR ALL/FOR EACH statement (browse of strings)
The FOR EACH statement is used to browse strings according to different methods...
<ANSI string>.Insert (Function)
Inserts a string into another character string at a given position.
StringInsert (Function)
Inserts a string into another character string at a given position.
Multilingual messages: Convert to new format (version 27 and later)
WINDEV, WEBDEV and WINDEV Mobile have included multilingual project support in many previous versions...
StringEndsWith (Function)
Checks whether a character string ends with:
  • with a specific character string.
  • with one of the character strings in an array.
<JSON variable>.ToString (Function)
Converts the content of a JSON variable to a JSON string.
Pascal string of (Variable type)
The Pascal string of type corresponds to a length-prefixed string (this length is stored as a byte value). This type of variable is kept for backward compatibility.
WordToArray (Function)
Fills an array with the words from a string.
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.
String (Variable type)
The String type is used to manipulate strings...
WordCount (Function)
Returns the number of words in a string.
Unicode string on (Variable type)
The type Unicode string on is a fixed-length string containing only characters in Unicode format.
<ANSI string>.Increment (Function)
Increments a number at the beginning or at the end of a string.
Phonetic (Function)
Returns the phonetic transcription of the string passed as parameter.
<Type Buffer>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.
StringReverse (Function)
Reverses the characters of a string.
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
CommonLength (Function)
Returns the number of common characters between two strings (from the beginning or from the end of the string).
ExtractLine (Function)
Extracts a specific line from a character string.
Hash functions
Hashing is used to summarize a file or a character string...
gToText (Function)
Deletes the graphic elements from a character string that uses gStoredValue, gImage, ...
Functions for managing Dates and Times (prefix syntax)
List of functions for managing dates and times
NoLeftCharacter (Function)
Returns a string after removing the specified characters from the left side of the initial string.
String functions (prefix syntax)
The following functions are used to handle strings in prefix syntax:
String of (Variable type)
The String of type is used to manipulate fixed-length strings. These strings have a null character at the end, denoted by a zero (as in the C programming language).
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file....
HDBDescribeField (Function)
Describes through programming each item found in the structure of an xBase file described by HDBDescribeFile.
HDBDescribeIndex (Function)
Describes through programming the different index files that will be created.
Comparing the project messages
The comparison between source and target text helps you find translation errors......
Native MariaDB Connector: Requirements and remarks
This page presents the main aspects and requirements of the Native MariaDB Connector......
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
iTextHeight (Function)
Calculates the height of the font for the text to print (in millimeters).
Using Java code
You can use Java code: in Java applications generated with WINDEV. in Android applications generated with WINDEV Mobile. This allows you to create global procedures in Java....
Description of a CSS style
This window allows you to describe a CSS style that will be used for the controls of your WEBDEV project......
Constants for managing fonts
List of constants used by the functions for font management....
Find/Replace in the current project
The "Find/Replace" feature is used to......
ListSeek (Function)
Searches for an element in a List Box, ListView or Combo Box control (including the values described by gStoredValue).
Native Oracle Connector: Specific features and remarks
Remarks and specific features of the Native Oracle Connector...
TokenEnabled (Property)
The TokenEnabled property determines if an Edit control is a "Text token" Edit control.
2. Variables
WEBDEV Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
2. Variables
WINDEV Mobile Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
Content (Property)
The Content property is used to read or write the whole content of a control: List Box populated programmatically, Combo Box populated programmatically, Spreadsheet....
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
Constants for external files
List of constants used by the functions for managing external files....
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
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