@EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf
parray parraypairs shellregex readfilestr writefilestr
print_all_fields cltounix iscallsign unpad is_callsign
+ is_freq is_digits is_pctext is_pcflag
);
@month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
# check that a field only has callsign characters in it
sub is_callsign
{
- return $_[0] !~ /[^A-Z0-9\-]/;
+ return $_[0] =~ /^[A-Z0-9\-]+$/;
}
# check that a PC protocol field is valid text
sub is_pctext
{
- return $_[0] !~ /[^\x20-\xA8\xE0-\xEF]/;
+ return $_[0] =~ /^[\x09\x20-\xA8\xE0-\xEF]+$/;
}
-# check that a PC prot flag is set correctly
+# check that a PC prot flag is fairly valid (doesn't check the difference between 1/0 and */-)
sub is_pcflag
{
- return $_[0] !~ /^[^01\*]$/;
+ return $_[0] =~ /^[01\*\-]+$/;
+}
+
+# check that a thing is a frequency
+sub is_freq
+{
+ return $_[0] =~ /^[\d\.]+$/;
+}
+
+# check that a thing is just digits
+sub is_digits
+{
+ return $_[0] =~ /^[\d]+$/;
}