Category String Functions

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String Functions

Grouped by task. Text lists them beside the rest of the area.

Find text in a string

Function	What it does	From
InStr	Returns the position of the first match, or 0 if there is none.	built-in
InStrRev	Returns the position of the last match, or 0 if there is none.	built-in

Check what a string holds

Function	What it does	From
Len	Returns the length of a string, or the size of a type.	built-in

Take part of a string

Function	What it does	From
Left	Returns the first n characters.	built-in
Right	Returns the last n characters.	built-in
Mid	Returns the characters from a position, optionally for a given length.	built-in

Change case

Function	What it does	From
UCase	Returns an upper-case copy of the string.	built-in
LCase	Returns a lower-case copy of the string.	built-in

Trim, pad and align

Function	What it does	From
Trim	Removes spaces, or the given characters, from both ends.	built-in
LTrim	Removes spaces, or the given characters, from the start.	built-in
RTrim	Removes spaces, or the given characters, from the end.	built-in
LSet	Copies a string into another, left-justified and padded with spaces.	built-in
RSet	Copies a string into another, right-justified and padded with spaces.	built-in

Replace, insert and remove

Function	What it does	From
Mid (statement)	Overwrites part of a string in place with other text.	built-in

Build and wrap strings

Function	What it does	From
Space	Returns a string of n spaces.	built-in
WSpace	Returns a wide string of n spaces.	built-in
String	Returns a string of n copies of one character.	built-in
WString	Returns a wide string of n copies of one character.	built-in

Characters and their codes

Function	What it does	From
Asc	Returns the character code at a position in a string.	built-in
Chr	Returns a string made from one or more character codes.	built-in
WChr	Returns a wide string made from one or more Unicode code points.	built-in

Convert numbers to text

Function	What it does	From
Format	Formats a number with a picture string such as "#,##0.00".	string.bi
Hex	Returns a number as hexadecimal text.	built-in
WHex	Returns a number as hexadecimal wide-string text.	built-in
Bin	Returns a number as binary text.	built-in
WBin	Returns a number as binary wide-string text.	built-in
Oct	Returns a number as octal text.	built-in
WOct	Returns a number as octal wide-string text.	built-in

Pack numbers into bytes and back

Function	What it does	From
MKI	Copies an integer's bytes into a string.	built-in
MKL	Copies a Long's bytes into a 4-byte string.	built-in
MKShort	Copies a Short's bytes into a 2-byte string.	built-in
MKLongInt	Copies a LongInt's bytes into an 8-byte string.	built-in
MKS	Copies a Single's bytes into a 4-byte string.	built-in
MKD	Copies a Double's bytes into an 8-byte string.	built-in
CVI	Reads an integer back from a string of its bytes.	built-in
CVL	Reads a Long back from a 4-byte string.	built-in
CVShort	Reads a Short back from a 2-byte string.	built-in
CVLongInt	Reads a LongInt back from an 8-byte string.	built-in
CVS	Reads a Single back from a 4-byte string.	built-in
CVD	Reads a Double back from an 8-byte string.	built-in

Also in this category

• String Functions

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