Description:
Determine whether the given
character is a digit, i.e. 0 - 9.
Invocation
RESULT = CHR_ISDIG( CVALUE )
Arguments
CVALUE
= CHARACTER (Given)
The character to be tested.
Returned Value
CHR_ISDIG =
LOGICAL
Returns .TRUE. if the given character is a digit, returns .FALSE. otherwise.
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