From: Dirk Koopman <djk@tobit.co.uk>
Date: Mon, 8 Jun 2020 16:38:43 +0000 (+0100)
Subject: lengthen trailing numeric part of prefix
X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?p=spider.git;a=commitdiff_plain;h=157f14220c0cbc875729be41a3e3a2acd18f51e1

lengthen trailing numeric part of prefix

to allow things like GB5000GCM etc
---

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 20837f2f..d23cb92e 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -384,7 +384,7 @@ sub is_callsign
 {
 	return $_[0] =~ m!^
 					  (?:\d?[A-Z]{1,2}\d{0,2}/)?    # out of area prefix /  
-					  (?:\d?[A-Z]{1,2}\d{1,2})      # main prefix one (required) 
+					  (?:\d?[A-Z]{1,2}\d{1,5})      # main prefix one (required) - lengthened for special calls 
 					  [A-Z]{1,5}                # callsign letters (required)
 					  (?:-(?:\d{1,2}))?         # - nn possibly (eg G8BPQ-8)
 					  (?:/[0-9A-Z]{1,7})?       # / another prefix, callsign or special label (including /MM, /P as well as /EURO or /LGT) possibly