GoFiler Legato Script Reference   Legato v 1.5d Application v 5.25a

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Chapter Five — General Functions (continued)

IsASCII Function

Overview

The IsASCII function tests if a string is compliant for ASCII characters including white space characters.

Syntax/Parameters

Syntax

boolean = IsASCII ( string value );

Parameters

value

A string to test.

Return Value

Returns TRUE if value contains only ASCII text or white space characters or FALSE if it does not. Tabs, returns, and newlines count as white space.

Remarks

ASCII characters are effectively 7-bit characters (0-126). This function checks for printable characters, including white space, tab, newline and return.

The delete character (127 or 0x7F) is not allowed since its interpretation by many systems is not consistent or sometimes even allowed.

Note that backspace (0x08) is also included as a valid character since it is used as a tab fill within the application.

An empty string is technically ASCII compliant. In this case, the IsASCII function will still return TRUE.

Related Functions

HasText — Tests a string for for any text (alpha characters).

IsANSI — Tests a string for non-ANSI characters (allows some control characters, no UNICODE).

IsANSICharacters — Tests a string for non-ANSI characters (no control characters, no UNICODE).

IsANSISpace — Tests a character as white space including backspace (back tab, 0x08) and tab (0x09).

IsASCIICharacters — Tests a string for non-ASCII (no control characters).

IsAlpha — Tests a character or string for ASCII character(s).

IsAlpha8859 — Tests a character or string for ASCII Letters and ISO-8859 Latin letter character(s).

IsAlphaNumeric — Tests a character for character ASCII letters or numbers.

IsAlphaNumeric8859 — Tests a character or string for ASCII letters, numbers and ISO-8859 Latin letter character(s).

IsExtendedAlpha — Tests a character to see if it is part of ISO-8859 latin alpha set commonly used in English.

IsUnicode — Tests a source 8-bit or 16-bit string as requiring Unicode.

Platform Support

Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL

Legato IDE, Legato Basic

 

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GoFiler Legato Script Reference — Generated on 12/16/2024

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