@ISA = qw(Exporter);
@EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf
parray parraypairs shellregex readfilestr writefilestr
- print_all_fields cltounix iscallsign unpad is_callsign
+ print_all_fields cltounix unpad is_callsign
is_freq is_digits is_pctext is_pcflag insertitem deleteitem
);
return '^' . $in . "\$";
}
-# start an attempt at determining whether this string might be a callsign
-sub iscallsign
-{
- my $call = uc shift;
- return 1 if $call =~ /^[A-Z]+\d+[A-Z]+/;
- return 1 if $call =~ /^\d+[A-Z]\d+[A-Z]+/;
- return undef;
-}
-
# read in a file into a string and return it.
# the filename can be split into a dir and file and the
# file can be in upper or lower case.
# check that a field only has callsign characters in it
sub is_callsign
{
- return $_[0] =~ /^[A-Z0-9\-]+$/;
+ return $_[0] =~ /^(?:[A-Z]{1,2}\d+|\d[A-Z]\d+)[A-Z0-9\/\-]+$/;
}
# check that a PC protocol field is valid text