8.3.23 IsSingleChar (check whether a string is one-byte characters)

Purpose

Checks whether a string is one-byte characters, and returns True or False.

Syntax

IsSingleChar (String)

Argument

String

Specify the string itself or a variable that stores this value.

False is returned if you specify a zero-length string ("").

Description

The IsSingleChar command checks whether the specified string contains one-byte characters only, and returns True or False as the command execution result.

Example 1

' Check the value of global variable seqNo, and display "#"
' before a one-byte character or "number" before a two-byte
' character.
Dim buff
buff = GetGV ( "seqNo" )
If IsSingleChar (buff) Then
  MessageBox ("#" + buff)
Else
  MessageBox ("item-number" + buff)
End If

Example 2

' Check whether the string stored in local variable buff
' consists of all one-byte characters.
Dim  buff
buff = "JP1/Script"
If  IsSingleChar ( buff )  Then 
  MessageBox ( "All characters are one-byte characters." )
Else
  MessageBox ( "Characters other than one-byte characters exist." )
End If

JP1/Script version

Supported from JP1/Script 06-00.

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