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
GeneratePassword (Function)
Automatically generates a password with specific characteristics (size, characters used, ...).
FontCharset (Property)
The FontCharset property is used to: Find out the character set used by the screen fonts of a control. Modify the character set used by the screen fonts of a control....
The Numeric or Currency control: Input or display masks
WINDEV, WINDEV Mobile and WEBDEV propose two types of masks......
ControlNoSpace (Function)
Specifies whether the space characters on the right of the value found in the control are deleted.
Input masks and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
Enumeration and Combination items
WINDEV, WEBDEV and WINDEV Mobile propose the Enumeration and Combination types......
Item Description (Type of variable)
An Item Description variable is used to describe one or more items in a data file programmatically.
docElementTextArea (Type of variable)
The docElementTextArea type is used to define the advanced characteristics of a text area found in a docElement variable.
nfcData (Type of variable)
The nfcData type is used to describe and handle the data of a variable of type nfcTag.
Creating, generating and deploying a web service
WINDEV and WEBDEV allow you to directly generate web services that use the SOAP technology......
GuidedTour (Type of Variable)
The GuidedTour type allows you to define all the advanced characteristics of a guided tour and its stages.
The "Internal report" control
The "Internal report" controls are used to print several reports (secondary reports) in a single report (main report) without programming......
Keyboard shortcut and hotkey
A control in a window or page can be associated with an alphanumeric character, a key or combination of keys ("keyboard shortcut"), etc....
TextToRTF (Function)
Converts text to Rich Text Format.
LanguageToCharset (Function)
Returns the character set corresponding to a language.
PageDisplay (Function)
Displays a web page in the user's browser....
BurnerAddDirectory (Function)
Adds all the files found in a directory to the compilation.
docParagraph (Type of variable)
The docParagraph type is used to handle the characteristics of a paragraph in a DOCX document.
WDLog: Viewing a log file
WDLog is used to view the content of a log file......
HSeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
Text formatting variant
You can customize text attributes such as character spacing, line spacing and font size in a window or page......
DocPositionTopPage (Function)
Returns the position of the first character in a given page in a Text Processing control.
OCRParameter (Function)
Initializes the general options of the native OCR (Optical Character Recognition) system.
TrustedCertificateAdd (Function)
Adds a certificate to the list of trusted root authorities used to validate certification strings.
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