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Character string: How do I extract, delete or replace words?

This page presents the main operations that can be performed on a character string.

JSONToString (Function)

Converts the content of a JSON variable to a JSON string.

LineToPosition (Function)

Returns the position of the first character of a line in a block of text.

CommonLength (Function)

Returns the number of common characters between two strings (from the beginning or from the end of the string).

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.

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.

fInsertTextAtBeginning (Function)

Inserts text at the beginning of a file without overwriting the existing text.

Unicode in character strings

The Unicode format is an encoding system that assigns a unique number to each character.

NoCharacter (Function)

Returns a string after removing the specified leading and trailing characters.

<ANSI string>.CharactTypeCount (Function)

Returns the number of characters matching a given type.

WordCount (Function)

Returns the number of words in a string.

String functions (prefix syntax)

The following functions are used to handle strings, using prefix syntax:

StringIncrement (Function)

Increments a number at the beginning or at the end of a string.

StringReverse (Function)

Reverses the characters of 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).

<ANSI string>.Insert (Function)

Inserts a string into another character string at a given position.

StringToJSON (Function)

Converts a JSON string into a JSON variable.

PositionToLine (Function)

Returns the number of the line that contains a character identified by its position in a block of text.

Position (Function)

Finds the position of a specified string within another string.

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).

String (Variable type)

The String type is used to manipulate strings...

FOR ALL/FOR EACH statement (browse of strings)

The FOR EACH statement is used to browse strings according to different methods...

PositionOccurrence (Function)

Finds the Xth position of a string within another string.

Phonetic (Function)

Returns the phonetic transcription of the string passed as parameter.

<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.

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.

ExtractLine (Function)

Extracts a specific line from a character string.

<Unicode string>.RegexMatch (Function)

Checks whether a string matches the format defined by a regular expression.

UUEncode (Function)

Encodes a character string according to the UUEncode algorithm.

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.

Functions for managing RTF controls

List of functions for managing RTF controls

gToText (Function)

Deletes the graphic elements from a character string that uses gStoredValue, gImage, ...

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).

<JSON variable>.ToString (Function)

Converts the content of a JSON variable to a JSON string.

NoAccent (Function)

Converts accented characters in a string to non-accented characters.

Unicode string on (Variable type)

The type Unicode string on is a fixed-length string containing only characters in Unicode format.

Truncate (Function)

Truncates the right part of a string or buffer.

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.

<ANSI string>.Reverse (Function)

Reverses the characters of a string.

WordToArray (Function)

Fills an array with the words from a string.

MatchRegularExpression (Function)

Checks whether a character string matches a specific format and retrieves the different substrings that match the format.

StringInsert (Function)

Inserts a string into another character string at a given position.

Multilingual messages: Convert to new format (version 27 and later)

WINDEV, WEBDEV and WINDEV Mobile have included multilingual project support in many previous versions...

StringEndsWith (Function)

Checks whether a character string ends with:

with a specific character string.
with one of the character strings in an array.

CharactTypeCount (Function)

Returns the number of characters matching a given type.

<ANSI string>.DeleteDuplicate (Function)

Removes duplicates among substrings of a string, based on one or more separators.

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.

StringDeleteDuplicate (Function)

Removes duplicates among substrings of a string, based on one or more separators.

<Table>.ToText (Function)

Creates a character string from the data found in a Table or TreeView Table control.

TextToXML (Function)

Converts an ANSI string to an XML string.

<ANSI string>.RegexMatch (Function)

Checks whether a string matches the format defined by a regular expression.

String functions

List of functions for managing character strings

Middle (Function)

Extracts:

a substring from a string starting at a specified position.
part of a buffer starting at a specified position.

<DiskFile variable>.Find (Function)

Finds a character string or a buffer in a file opened by fOpen.

NoLeftCharacter (Function)

Returns a string after removing the specified characters from the left side of the initial string.

RegexMatch (Function)

Checks whether a string matches the format defined by a regular expression.

Operators on character strings

The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...

<ANSI string>.Increment (Function)

Increments a number at the beginning or at the end of a string.

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)...

NoRightCharacter (Function)

Returns a string after removing the specified characters from the right side of the initial string.

Manipulate character strings

WINDEV, WINDEV Mobile and WEBDEV allow you to perform different types of operations on character strings via the WLanguage functions...

Error (Function)

Displays a custom error message in a system error window.

Remote WEBDEV Administrator

The remote management tool, that can be run from any computer equipped with an Internet browser, is a module used to ......

gImageExists (Function)

Checks whether an image was loaded in memory.

LoadImage (Function)

Loads an image in memory so that it can be used later by gImage.

LoadImageSheet (Function)

Loads an image set in memory so that it can be used later by gImage.

Project description: Files tab