fix: New RE_PROBE_IPV6_ONLY with better complexity in worst case (#609)

Example ':'*100

Co-authored-by: Kelly Brazil <kellyjonbrazil@gmail.com>

jc/parsers/traceroute.py

@@ -167,7 +167,7 @@ class info():
 RE_HEADER = re.compile(r'(\S+)\s+\((\d+\.\d+\.\d+\.\d+|[0-9a-fA-F:]+)\)')
 RE_PROBE_NAME_IP = re.compile(r'(\S+)\s+\((\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[0-9a-fA-F:]+)\)+')
 RE_PROBE_IP_ONLY = re.compile(r'(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+([^\(])')
-RE_PROBE_IPV6_ONLY = re.compile(r'(([a-f0-9:]+:+)+[a-f0-9]+)')
+RE_PROBE_IPV6_ONLY = re.compile(r'(([a-f0-9]*:)+[a-f0-9]+)')
 RE_PROBE_BSD_IPV6 = re.compile(r'\b(?:[A-Fa-f0-9]{1,4}:){7}[A-Fa-f0-9]{1,4}\b')
 RE_HOP = re.compile(r'^\s*(\d+)?\s+(.+)$')
 RE_PROBE_ASN = re.compile(r'\[AS(\d+)\]')