vincent@vincent-dev$ ./ip2re.pl '12.*.2-240.1'
debug: (?-xism:12.\d+.(?:2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50|51|52|53|54|55|56|57|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|101|102|103|104|105|106|107|108|109|110|111|112|113|114|115|116|117|118|119|120|121|122|123|124|125|126|127|128|129|130|131|132|133|134|135|136|137|138|139|140|141|142|143|144|145|146|147|148|149|150|151|152|153|154|155|156|157|158|159|160|161|162|163|164|165|166|167|168|169|170|171|172|173|174|175|176|177|178|179|180|181|182|183|184|185|186|187|188|189|190|191|192|193|194|195|196|197|198|199|200|201|202|203|204|205|206|207|208|209|210|211|212|213|214|215|216|217|218|219|220|221|222|223|224|225|226|227|228|229|230|231|232|233|234|235|236|237|238|239|240).1)
(?-xism:12.\d+.(?:2(?:0[0123456789]?|1[0123456789]?|2[0123456789]?|3[0123456789]?|4(?:)?|[56789])?|3[0123456789]?|4[0123456789]?|5[0123456789]?|6[0123456789]?|7[0123456789]?|8[0123456789]?|9[0123456789]?|1(?:0[0123456789]?|1[0123456789]?|2[0123456789]?|3[0123456789]?|4[0123456789]?|5[0123456789]?|6[0123456789]?|7[0123456789]?|8[0123456789]?|9[0123456789]?)).1)
vincent@vincent-dev$ perl bench.pl '12.*.2-240.1' '(?-xism:12.\d+.(?:2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50|51|52|53|54|55|56|57|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|101|102|103|104|105|106|107|108|109|110|111|112|113|114|115|116|117|118|119|120|121|122|123|124|125|126|127|128|129|130|131|132|133|134|135|136|137|138|139|140|141|142|143|144|145|146|147|148|149|150|151|152|153|154|155|156|157|158|159|160|161|162|163|164|165|166|167|168|169|170|171|172|173|174|175|176|177|178|179|180|181|182|183|184|185|186|187|188|189|190|191|192|193|194|195|196|197|198|199|200|201|202|203|204|205|206|207|208|209|210|211|212|213|214|215|216|217|218|219|220|221|222|223|224|225|226|227|228|229|230|231|232|233|234|235|236|237|238|239|240).1)'
all 61183 ips tested in the hash in 0.030109s
all 61183 ips matched the compiled regexp in 0.292662s
vincent@vincent-dev$ perl bench.pl '12.*.2-240.1' '(?-xism:12.\d+.(?:2(?:0[0123456789]?|1[0123456789]?|2[0123456789]?|3[0123456789]?|4(?:)?|[56789])?|3[0123456789]?|4[0123456789]?|5[0123456789]?|6[0123456789]?|7[0123456789]?|8[0123456789]?|9[0123456789]?|1(?:0[0123456789]?|1[0123456789]?|2[0123456789]?|3[0123456789]?|4[0123456789]?|5[0123456789]?|6[0123456789]?|7[0123456789]?|8[0123456789]?|9[0123456789]?)).1)'
all 61183 ips tested in the hash in 0.029510s
Died at bench.pl line 42.