Name
EmptyStr -- check if string is empty (V7.1)
Synopsis
bool = EmptyStr(s$)
Function
This function returns True if the string is empty, i.e. if it contains only whitespace characters. The following characters are whitespace characters: space, form-feed ("\f"), newline ("\n"), carriage return ("\r"), horizontal tab ("\t"), and vertical tab ("\v").

Inputs
s$
input string
Results
bool
True if input string contains only whitespace characters

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