
Next:
CHR_ISALF
-
Return whether a character is alphabetic
Up: Routine Descriptions
Previous:
CHR_INDEX
-
Return the index of a substring in a string
CHR_INSET
-
Return whether a string is a member of a given set
- Description:
-
The character string is compared with each of the values
given in the given set.
The strings in the set can be any length and can differ
in length throughout the set. Each value is separated by a
comma. Upper and lowercase are treated as being equivalent and
trailing blanks are ignored.
- Invocation:
-
RESULT = CHR_INSET( SET, STRING )
- Arguments:
-
-
SET = CHARACTER
(
) (Given)
-
The set of character values. It takes the form
'string1,string2,.......,stringN' where each of the
substring values from string1 to stringN can be of different
lengths.
-
STRING = CHARACTER
(
) (Given)
-
The character string to be checked for membership of the set.
- Returned Value:
-
-
CHR_INSET = LOGICAL
-
Returns .TRUE. if the character string is a member of the
given set, returns .FALSE. otherwise.

Next:
CHR_ISALF
-
Return whether a character is alphabetic
Up: Routine Descriptions
Previous:
CHR_INDEX
-
Return the index of a substring in a string
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