[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}: {
yylval->string.c_str = yytext;
yylval->string.length = yyleng;
[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}"."[[:digit:]]{1,3}: {
yylval->string.c_str = yytext;
yylval->string.length = yyleng;