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:
  • a specific string.
  • one of the strings in an array.
StringToJSON (Function)
Converts a JSON string into a JSON variable.
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.
<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:
  • a specific string.
  • one of the 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.
Phonetic (Function)
Returns the phonetic transcription of the string passed as parameter.
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
Manipulate character 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.
Date and Time functions
List of functions for managing dates and times
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.
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.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
<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
MySelf (Reserved word)
MySelf is used to handle the current control...
Managing the emails with the POP3/SMTP protocols
The POP3 and SMTP protocols are protocols for email management recognized by all Internet Service Providers......
AAF: Automatic filter on the columns of Table controls
The user can filter the content of a Table control by displaying the records corresponding to a condition for example......
Class diagram
A class diagram describes the structure of a system via classes and the relationships among them......
ServiceInstall (Function)
Installs a Windows service or a Linux daemon according to the information given in the members of the Service variable.
The Web Camera control
...The Web Camera control is used to view a file that is refreshed at regular time intervals....
BTLECharacteristicWriteValue (Function)
Writes a value to a characteristic on a Bluetooth Low Energy device.
CameraParameter (Function)
Returns or modifies the value of a parameter for the device camera. Function kept for "Version-26-compatible" Camera controls....
9. Generation modes
WINDEV Mobile includes different types of generation......
Environment of the project editor
The main elements of the project editor are as follows:
Subscribing an element to the dictionary
The subscription to a dictionary element is automatically proposed......
Performance profiler
The performance profiler (also called Profiler) is used to check and optimize the execution time of your application......
TableSave (Function)
Updates or adds the record bound to the current row in the Table or TreeView Table control.
WDSQL: Database structure
WDSQL is used to find out the structure of the accessed database......
SysScreenOrientation (Function)
Allows you to: get the screen orientation of the device (Android, iOS or Universal Windows phone). set the screen orientation of the device (Android phone)....
InWindowsMobileMode (Function)
Indicates whether the code is run: from a Windows Mobile application. from a WINDEV application, from a WEBDEV site or from a PHP application. Function kept for backward compatibility....
Reminder (Type of variable)
The Reminder type is used to describe and handle a reminder to inform the user of an appointment.
Check the "Responsive Web Design" pages
The pages in Responsive Web Design mode can be checked like any other WEBDEV page in the browser of your choice......
7. Dynamic site on specific configurations
The home page
The home page is the first page of your site......
InWebMode (Function)
Indicates whether the current process is run: from a WINDEV executable. from the WEBDEV runtime engine (AWP)....
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
HListLink (Function)
Returns the list of links (Merise) in the current analysis or in a specific analysis
Debugging a connection to an HFSQL server
The stored procedures and the triggers are debugged from the environment, with real execution on the server......
Printing the content of a Spreadsheet control (AAF)
Spreadsheet controls include an automatic context menu that allows users to perform different actions on the data displayed in the control......
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