
Next:
CHR_ISNAM
-
Return whether a string is a valid name
Up: Routine Descriptions
Previous:
CHR_ISALM
-
Return whether a character is alphanumeric
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.

Next:
CHR_ISNAM
-
Return whether a string is a valid name
Up: Routine Descriptions
Previous:
CHR_ISALM
-
Return whether a character is alphanumeric
CHR Character Handling Routines
Starlink User Note 40
A C Charles
P C T Rees
A J Chipperfield
2 August 1995
E-mail:ussc@star.rl.ac.uk