Syntax:     XWORD(string[,delims][,nth][,end_var][,start])

Defn: A CI evaluator function that is the counterpart to the
WORD() function. XWORD() returns the input string
minus the selected "word". The default delims are a space,
comma, semicolon, equals sign, left and right parentheses,
left and right brackets, single quote, double quote,
and tab. The default nth is 1; the default end_var is
no variable; the default start is 1.

Type: String

Example: xword('file a=bb,old;rec=40,,f,ascii')
Result: 'a=bb,old;rec=40,,f,ascii'

Example: xword('file a=bb,old;rec=40,,f,ascii',,-4,j)
Result: 'file a=bb,old;rec,,f,ascii', j=18

Example: xword("Hi , please attend...",,2)
Result: 'Hi please attend...'