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
FolderData (Function)
FolderData is kept for backward compatibility.
emailOutlookSession (Type of variable)
The emailOutlookSession type is used to handle the Outlook messaging software (emails, contacts, groups of contacts, tasks, appointments and folders).
JSON (Type of variable)
The JSON type makes it possible to simplify actions on data in JSON format.
Native Informix Connector: Specific features and remarks
Remarks and specific features of Native Informix Connector...
VariantMember (Type of variable)
The VariantMember type is an advanced type corresponding to an array of members, each member being a variant variable.
sfUndeleteResult (Type of variable)
The sfUndeleteResult type is used to find out the result of SFUndelete...
picText (Type of variable)
The picText type is used to define all the advanced characteristics of a Text layer.
gglMarker (Type of variable)
The gglMarker type is used to define the characteristics of a marker that must be positioned on a map...
rssIdentifier (Type of variable)
The rssIdentifier type is used to describe the unique identifier of a RSS stream entry...
mongoDatabase (Type of variable)
The mongoDatabase type is used to define the characteristics of a database for a MongoDB server.
htmlDocument (Type of variable)
The htmlDocument type is used to define all the advanced characteristics of an HTML document.
rssStream (Type of variable)
The rssStream type is used to handle a RSS stream...
RTFToText (Function)
Returns the text without the formatting characteristics specific to the RTF format.
HRetrieveItem (Function)
Returns the content of an item found in the current record (in the data file, view, query, ...).
ConsoleRead (Function)
Reads a string in the standard input stream "stdin".
SpeechSynthesisVoice (Type of variable)
The SpeechSynthesisVoice type is used to get all the advanced characteristics of a speech synthesis voice.
MapPolygon (Type of variable)
The MapPolygon type is used to define the characteristics of a polygon to be drawn on the map displayed in a Map control.
HFilter (Function)
Defines and enables a filter on a data file, view or query.
MemSort_55 (Function)
MemSort_55 is kept for backward compatibility.
redisConnection (Type of variable)
The redisConnection type is used to define all the advanced characteristics of a connection to a Redis server (or cluster).
iHPos (Function)
iHPos is kept for backward compatibility.
iVPos (Function)
iVPos is kept for backward compatibility.
Operator on Address
The & operator returns the address of a variable as an integer
sfExecuteQueryResult (Type of variable)
The sfExecuteQueryResult type is used to find out the result of SFForwardQuery and SFExecuteQuery...
sfSaveResult (Type of variable)
The sfSaveResult type is used to find out the result of SFAdd and SFModify...
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