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upper-case-p


Type:   -   predicate function (subr)
Source:   -   xlstr.c

Syntax

(upper-case-p char)
char - a character expression
returns -  T  if the character is upper case, NIL otherwise

Description

The 'upper-case-p' predicate function checks if the 'char' expression is an upper case character. If 'char' is upper case a  T  is returned, otherwise a NIL is returned. Upper case characters are 'A' [ASCII decimal value 65] through 'Z' [ASCII decimal value 90].

Examples

(upper-case-p #\A)   ; returns T
(upper-case-p #\a)   ; returns NIL
(upper-case-p #\1)   ; returns NIL
(upper-case-p #\[)   ; returns NIL

See the upper-case-p predicate function in the XLISP 2.0 manual.

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