ISNUMBER
b = ISNUMBER (x)
Returns true if x is a number or can be converted to a number.
Example
print ISNUMBER(12) ' Output 1
print ISNUMBER("12") ' Output 1
print ISNUMBER("12E+2") ' Output 1
print ISNUMBER("abc") ' Output 0
print ISNUMBER("1+2") ' Output 0
print ISNUMBER("int(2.4)") ' Output 0Code samples using ISNUMBER
Data
APPEND
ARRAY
DATA
DELETE
DIM
EMPTY
ERASE
INSERT
ISARRAY
ISDIR
ISFILE
ISLINK
ISMAP
ISNUMBER
ISSTRING
LBOUND
LEN
READ
REDIM
RESTORE
SEARCH
SORT
SWAP
UBOUND
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