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 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:
Marker (Type of variable)
The Marker type is used to define the characteristics of a marker that must be positioned on a map displayed in a Map control.
pdfTextElement (Type of variable)
The pdfTextElement type is used to find out all the characteristics of a text element in a PDF page.
hbScanParameter (Type of variable)
The hbScanParameter type is used to define the parameters for iterating over the records in an HBase database.
xmlDocument (Type of variable)
The xmlDocument type is used to handle an XML file.
Data model editor: the different types of items
The different types of items proposed in the data model editor are as follows:
Importing/Consuming web services
WINDEV, WEBDEV and WINDEV Mobile allow you to directly import Webservices into your applications......
NET constants
List of constants used by the DotNet functions....
Phone (Type of variable)
The Phone type is used to handle a phone number as well as its type (home, work, ...).
AJAXExecuteAsynchronous (Function)
Runs a server procedure without refreshing the page.
rssEnclosure (Type of variable)
The rssEnclosure type is used to describe and handle the attachment of an entry of RSS stream...
RTFSelection (Function)
Modifies or lists attributes of text currently selected in an control RTF (from a window or report WINDEV).
docElementFormula (Type of variable)
The docElementFormula type is used to define the characteristics of a Formula element found in a DocElement variable.
AssistedInput (Type of variable)
The AssistedInput type allows you to define all the advanced characteristics of an autocomplete suggestion.
J2EE constants
List of constants used by the J2EE functions....
HImportText (Function)
Imports a Text file into a data file in HFSQL Classic or Client/Server format (data file described in the data model editor, or declared by HDeclare, HDeclareExternal or HDescribeFile)....
External language: Programming in Fortran
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
docFragment (Type of variable)
The docFragment type is used to define the characteristics of a fragment found in a "docx" document.
xmlNode (Type of variable)
The xmlNode type is used to handle a node of an XML document.
diagLibrary (Type of variable)
The diagLibrary type is used to define all the advanced characteristics of a library of preset shapes used by a Diagram Editor control.
pdfBookmark (Type of variable)
The pdfBookmark type is used to define all the advanced characteristics of a bookmark in a PDF document.
HCreateMovableReplica (Function)
Creates a movable replication.
emailSMTPSession (Type of variable)
The emailSMTPSession type is used to access a messaging server by using the SMTP protocol (Simple Mail Transfer Protocol) in order to send emails.
SOAP constants
List of constants used by the SOAP functions....
mongoOperationAdd (Type of variable)
The mongoOperationAdd type is used to define all the advanced characteristics of a document add operation in bulk.
saasService (Type of variable)
The saasService type is used to define the advanced characteristics of a SaaS service.
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