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.
fInsertTextAtBeginning (Function)
Inserts text at the beginning of a file without overwriting the existing text.
Functions for managing Dates and Times (prefix syntax)
List of functions for managing dates and times
TimeToString (Function)
Converts a time to a string in the specified format.
CommonLength (Function)
Returns the number of common characters between two strings (from the beginning or from the end of the 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.
TextToXML (Function)
Converts an ANSI string to an XML string.
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).
UUEncode (Function)
Encodes a character string according to the UUEncode algorithm.
iPrintWord (Function)
Sends the character string passed in parameter to the print buffer.
StringInsert (Function)
Inserts a string into another character string at a given position.
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.
gToText (Function)
Deletes the graphic elements from a character string that uses gStoredValue, gImage, ...
<ANSI string>.DeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
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.
WordToArray (Function)
Fills an array with the words from a string.
NoRightCharacter (Function)
Returns a string after removing the specified characters from the right side of the initial string.
<Type Buffer>Decode (Function)
Decodes a character string that was encoded by Encode.
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.
Position (Function)
Finds the position of a specified string within another string.
Unicode string on (Variable type)
The type Unicode string on is a fixed-length string containing only characters in Unicode format.
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.
MatchRegularExpression (Function)
Checks whether a character string matches a specific format and retrieves the different substrings that match the format.
CharactTypeCount (Function)
Returns the number of characters matching a given type.
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.
FOR ALL/FOR EACH statement (browse of strings)
The FOR EACH statement is used to browse strings according to different methods...
String functions
List of functions for managing character strings
Phonetic (Function)
Returns the phonetic transcription of the string passed as parameter.
LineToPosition (Function)
Returns the position of the first character of a line in a block of text.
<ANSI string>.EndsWith (Function)
Checks whether a character string ends with:
  • a specific string.
  • one of the strings in an array.
XMLToText (Function)
Converts a character string in XML format into a standard character 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.
NoAccent (Function)
Converts accented characters in a string to non-accented characters.
<ANSI string>.Increment (Function)
Increments a number at the beginning or at the end of a string.
Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
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.
Hash functions
Hashing is used to summarize a file or a character string...
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
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.
Multilingual messages: Convert to new format (version 27 and later)
WINDEV, WEBDEV and WINDEV Mobile have included multilingual project support in many previous versions...
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
<Type Buffer>Encode (Function)
Encodes a character string or a buffer. To decode the result, simply use Decode.
fAddText (Function)
Adds the content of a character string at the end of a file.
ExtractLine (Function)
Extracts a specific line from a character string.
<DiskFile variable>.Find (Function)
Finds a character string or a buffer in a file opened by fOpen.
<ANSI string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
Decode (Function)
Decodes a character string that was encoded by Encode.
<JSON variable>.ToString (Function)
Converts the content of a JSON variable to a JSON string.
Date and Time functions
List of functions for managing dates and times
PositionToLine (Function)
Returns the number of the line that contains a character identified by its position in a block of text.
JSONToString (Function)
Converts the content of a JSON variable to a JSON string.
<Unicode string>.RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
Middle (Function)
Extracts:
  • a substring from a string starting at a specified position.
  • part of a buffer starting at a specified position.
TableToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
<ANSI string>.Reverse (Function)
Reverses the characters of a string.
StringReverse (Function)
Reverses the characters of a string.
WordCount (Function)
Returns the number of words in a string.
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).
String (Variable type)
The String type is used to manipulate strings...
Unicode in character strings
The Unicode format is an encoding system that assigns a unique number to each character.
fFind (Function)
Finds a character string or a buffer in a file opened by fOpen.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
<ANSI string>.CharactTypeCount (Function)
Returns the number of characters matching a given type.
NoCharacter (Function)
Returns a string after removing the specified leading and trailing characters.
UUDecode (Function)
Decodes a character string in UUEncode format.
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).
Functions for managing RTF controls
List of functions for managing RTF controls
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)...
StringIncrement (Function)
Increments a number at the beginning or at the end of a string.
Manipulating strings
WINDEV, WINDEV Mobile and WEBDEV allow you to perform different types of operations on strings using WLanguage functions...
Truncate (Function)
Truncates the right part of a string or buffer.
RegexMatch (Function)
Checks whether a string matches the format defined by a regular expression.
StringDeleteDuplicate (Function)
Removes duplicates among substrings of a string, based on one or more separators.
NoLeftCharacter (Function)
Returns a string after removing the specified characters from the left side of the initial string.
<Table>.ToText (Function)
Creates a character string from the data found in a Table or TreeView Table control.
<ANSI string>.Insert (Function)
Inserts a string into another character string at a given position.
StringEndsWith (Function)
Checks whether a character string ends with:
  • a specific string.
  • one of the strings in an array.
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.
String functions (prefix syntax)
The following functions are used to handle strings in prefix syntax:
btleCharacteristic (Type of variable)
The btleCharacteristic type is used to handle a characteristic of a Bluetooth Low Energy service.
Description of ParallelTask (Type of variable)
The Description of ParallelTask type is used to define the characteristics of a parallel task.
httpProgress (Type of variable)
The httpProgress type is used to manage the progress when sending or receiving an HTTP request.
gglLocation (Type of variable)
The gglLocation type is used to describe and modify the location of an event found in a Google calendar...
7. Multilingual sites in practice
diagImage (Type of variable)
The diagImage type is used to define all the advanced characteristics of a diagram shape created from an image.
hScheduleMaterializedView (Type of variable)
The hScheduleMaterializedView type is used to programmatically manage a task for recalculating the data of a scheduled materialized view on an HFSQL server.
Text (Property)
Text is used to find out whether an item is a text item.
InstantMessaging (Type of variable)
The InstantMessaging type is used to define the advanced characteristics of the instant messaging of a contact (Google Talk, Skype, MSN, etc.).
GanttLink (Type of variable)
The GanttLink type is used to define the advanced characteristics of a link between two tasks of a Gantt chart.
docElementText (Type of variable)
The DocElementText type is used to handle the characteristics of a Text element found in a DocElement variable.
Managing the certificates
Signing a file allows you to check that the file was not modified or altered since it was signed. The signature also allows you to check the issuer identity....
grTooltip (Function)
Displays and formats: the tooltip associated with each section of a chart (section of a pie chart, column of a column chart, etc.). Also allows you to find out the characteristics of the tooltip associated with each chart section. a custom tooltip, associated with a point....
picRTF (Type of variable)
The picRTF type is used to define all the advanced characteristics of a layer that contains RTF.
DownloadInfo (Type of variable)
The DownloadInfo type is used to read the different details about a download in progress retrieved by DownloadGetInfo.
AuthToken (Type of variable)
The AuthToken type contains the characteristics of a token to access a web service.
HDescribeConnection (Function)
Describes a new connection to an external database.
Parameter Description (Type of variable)
Parameter Description variables are used to programmatically describe a parameter.
htmlNode (Type of variable)
The htmlNode type is used to define all the advanced characteristics of a node of an HTML document.
Notification (Type of variable)
The Notification type is used to handle the local notifications or the push notifications.
SQL functions that can be used in SQL queries
The following SQL functions can be used on the queries written in SQL code (classified by theme)......
hbConnection (Type of variable)
The hbConnection type is used to define the characteristics of a connection to a HBase server.
MatReadColumn (Function)
Reads the value of all the elements found in a matrix column.
MatReadLine (Function)
Reads the value of all elements found in a matrix row.
HOpenConnection (Function)
Opens a connection to a specific database.
1
…
14
15
16
17
18
…
106
>