Merge branch 'ent-4744-is_numeric-no-admite-numeros-en-notacion-cientifica' into 'develop'

is_numeric review, with fallback to looks_like_number

See merge request artica/pandorafms!2778

pandora_server/lib/PandoraFMS/Tools.pm

@@ -569,7 +569,8 @@ sub is_numeric {
 	my $SIGN   = qr{ [+-] }xms;
 	my $NUMBER = qr{ ($SIGN?) ($DIGITS) }xms;
 	if ( $val !~ /^${NUMBER}$/ ) {
-		return 0;   #Non-numeric
+		#Non-numeric, or maybe... leave looks_like_number try
+		return looks_like_number($val);
 	}
 	else {
 		return 1;   #Numeric