CHR_ISDIG

Return whether a character is a digit

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.