String functions


len   

Syntax
string_length  = len( input_string )

Description: Return length of string

Syntax:

string_length = len( input_string ) 


Parameter description
:

Name Type
Description
input_string
string
string to retrieve the length from


Return value:
string_length = length of input string


Code example
:

Get the length of the string "Hello" (= 5)

 print len( "Hello" )


mid  


Description: Create and show a message box

Syntax:

retstr = mid( instring, startpos, length ) 


Parameter description
:

Name Type
Description
instring
string
string from which you want to retrieve a substring
startpos
integer
starting position of substring
length
integer
Length of string to be retreaved


Return value:
new substring (Type string)


Code example
:

Display the substring "world" of "Hello world" (Startpos 6 and length 5).

 print mid( "Hello world", 6, 5 )

left  


Description: Return n leading characters of string

Syntax:

retstr = msgbox( instring , length ) 


Parameter description
:

Name Type
Description
instring
string
String to retrieve substring from
length
integer
Number of character to retrieve


Return value:
substring created of  "length" leading characters from inputstring.


Code example
:

Display the leading 5 character of string "Hello world" (Result "Hello").

 print left( "Hello world" )


right  


Description: Return n last characters of string

Syntax:

ret = right( instring , length ) 


Parameter description
:

Name Type
Description
instring
string
String to retrieve substring from
length
integer
Number of character to retrieve


Return value:
result string


Code example
:

Display the last 5 characters of string "Hello world" (Result "world").

 Print right( "Hello world" )