From 993c9af394a24dc03bead86f00eb772f49326a65 Mon Sep 17 00:00:00 2001
From: Bram <bram@noordstar.me>
Date: Tue, 3 Dec 2024 11:39:42 +0000
Subject: [PATCH] Add Rust day 3

---
 Cargo.toml           |  1 +
 inputs/03.txt        |  6 ++++++
 src/day_03/mod.rs    |  2 ++
 src/day_03/part_1.rs | 12 ++++++++++++
 src/day_03/part_2.rs | 30 ++++++++++++++++++++++++++++++
 src/lib.rs           |  7 +++++++
 src/main.rs          |  1 +
 7 files changed, 59 insertions(+)
 create mode 100644 inputs/03.txt
 create mode 100644 src/day_03/mod.rs
 create mode 100644 src/day_03/part_1.rs
 create mode 100644 src/day_03/part_2.rs

diff --git a/Cargo.toml b/Cargo.toml
index d7b7677..54fddd0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+regex="1.11.1"
diff --git a/inputs/03.txt b/inputs/03.txt
new file mode 100644
index 0000000..3dd292e
--- /dev/null
+++ b/inputs/03.txt
@@ -0,0 +1,6 @@
+select(){,(where()+-mul(514,727);:]]what():^*from(764,547) mul(550,305)$^^%>select(587,376)mul(94,564)select()when(633,175)<where()mul(260,379)mul(790,810)&!$%mul(557,683) why(){/mul(220,10)!+{+mul(654,746){who()what() !%mul(89,191)who()select()*#&>[[mul(302,490)$-}&**+mul(335,535)@select()>select()mul(241,166)when(800,629)mul(758,530)',^ &!~%/#mul(938,70)?&!from();mul(412,287)}/mul(230,620)(~select()what()select()'@mul(410,577)$mul(720,516)-mul(373,78)when()!^:@{)mul(793,973)who()when()mul(85,246)>what()}[#[@!^/mul(396,22)@when()-;:':>}mul(515,670)<[mul(38,415)?~<?mul(200,147):mul(328,235)*<what() (] ::what()mul(571,33)mul(679,122)>select()why()^when()*#+($do()']select()>:^/when()^mul(440,923)<what():mul(971,274)(mul(833,181))don't()why();{#mul(468,401)$+?mul(446,956)where()mul(391,995)who(813,746),^who()%how()^when()mul(284,629);[why()mul(922,806)%}mul(183,352)where() [{,why(475,275)mul(547,62)$mul(753,602)*!%where()-mul(956,732)$;what()<;'{:*mul(481,556)from()*{select():what()'#mul(905,420)what()mul(327,771), who()}mul(45,757)mul(366,653)where(459,755))don't();when()mul(807,855)where()$)>@mul(48,816)mul(370,665)@*>who()^,when()mul(155,426) mul(132,914)^%select()&when()/from()(+}mul(296,176)mul(361,479)%{;!,'who()where():mul(506,495)#who()&%< ^mul(481,87))&!;mul(541,563)%don't(){}'-),from()$mul(495,427)^when()mul(640,499)select()}:] )%+()mul(967,918)?when()select()<{/who()what()mul(505,225)(mul(90,482)>!from()when()#do()mul(620,841):who()!mul(719,850)where()-)mul(931,185)?;select()]@,why()%]mul(39,103)mul(687,103)$%];how(337,314)[}$-when()mul(282,494):;!where(188,779);who()mul(342,554)<^who()(why()where()who(345,491)%mul(407,74)why()&}'%'mul(324,781)mul(90,925):from()mul(828,16)mul(438,549){what()>$why()*what(35,607)mulwho()mul(91,548)>,what()select()]&how()@mul(384,93!select(),where()$mul(835,662)@{don't():#<^/-+mul(489,462)>>where(){why()where()---when()mul(53,461)/~?mul(273,777)mul(119,879)+@'when()-mul(585,949)?['when()from(946,632)mul(22,105)>-:how())from();mul(439,876)?mulwho()@who()when()<@{-mul(111,687)$&mul(432,628)%*,{when()mul(287,508)'-select()}don't()/#~-@from()[:#mul(111,655)%: &;mul(518,391)don't()<from()%-~-!@mul(301,138)(,how()mul(654,521)!*when()--({who()how()don't() ~where()!~mul(910,877)?+select()+-[#&do()*< +-what()&how()%$mul(123,641)*?&mul(488,741)<}@@&?what()how()what())mul(301,649);why()%mul(259,148)$~')&[{mul(83,94)~select()~^when()mul(232,572)mul(889,281)why()%*#$}<[mul(256,607)}({mul(382,953)what()how()why() who()from()!?%mul(433,147)+>&mul(197,749)@who()*mul(935,21)+> who()why()mul(299,881)who()]@+%/from()[?do();{+[why()$select()#mul(264,731)]'select()what();+who()mul(713,161)where(931,649))mul(360,529)}where()!;]how()<mul;$-:]]how()#where()select()when()mul(971,836)when():[how(){mul(567,429)!}{{',mul(522,696),why(){mul(833;#-&#,select()~mul(80,121)+*,#how()select()${>how()mul(619,728)how()<%}+}mul(420,324);{!from();mul;)>mul(144,181)who()}?~where():who()${ mul(261,691),why() /+mul(189,450)
++when()%^]]/when()~@mul(533,22)mul(231,586)mul(107,724)!@mul(504who()@}when(291,528)mul(691,859)/}#mul(726,544)from()[>>what()^<mul(316,707)@&why(),what()mul(798,459) why()~)]mul(612,148)[??when()]*~mul(634,978)mul(477,947)<?(&!;what(724,289)@~^do()who()mul(828,259)mul(595,267)who(671,135)}why()&how()mul(351,552)when()how()^>?^from(762,977)mul(67,280)(who()^mul(586,844)}how()<from()mul(521,525)'select()mul(379,96), mul(478,481)where(465,218)mul-&*: ~mul(123,281)when()mul(249,626) <}mul(190,620)mul(21,142):from(278,629)}how(997,873)when()'from()#mul(117,186)^:]when(128,617)mul(940,708);mul(960,867);[,~when()when() mul(135,71)where(972,23)mul(79,533)how()* )%<&do()@>how()+where(),mul(886,320)#from(691,802)mul(376,296)'why()[@}how()#why(530,714)?>mul(791,363)?what()$${@why()>+mul(133,626))why()&}what(){%(mul(474,459)what()where()(^mul(311,372)mul(243,118)where()@mul(302,760):{who()-'{+mul(145,293)}why();how());$]mul(652,761%? ;]:@mul(259,51)@<mul(369,322 +#!mul(99,991):from()/}mul(137,230)why()}^%^{}select()where()mul(226,287)mul(590,394)[>>'mul(474,995){don't():}*mul(309,511)?select();(mul(553,164)]how(){when()mul(556,560/~when(464,361),^<#[/&do()when()&who()<mul(618,347)]/what()&mul(210,454)@,'^/%who()mul(297,766)who()&:{mul(961,326))&:#')what(663,984)mul(340,326)mul(329,543)%^#/{!mul(28,451)}@@mul(428,233)^%<-how()mul(710,863)[mul(944,973)[where()~[]where()'%~why()don't()!,@#%mul(582,87)$[[@ mul(569,58),]mul(746,840)[(mul(74,146)'where()(#+;mul(517,818)mul?*[->*mul(22,727)from()):who()when()}mul(367,34/when()where()mul(226,816)mul(421,33'(,(#, <who())what()mul(247,12)+when(199,246)who()what(912,935)~?select()how()&how()mul(620,264))how(726,381)/!mul(586,607)#when()[mul(684,722)&%-from()mul(11,63)&where()<select()^)<%select(127,191)mul(662,331)}% mul(631,2)~]mul(987,288)mul(261,47)]{when()>?who()do()%;+-<what()#*+mul@]@?[^mul(650,139)<who()[#don't())}-from()?:who()[mul(561,710){~+how()don't()mul(788,270)mul(151,849)+{;%[#~mul(531,530)how()>:-mul(99,868)#{[why()who(504,690)?mul(119,337)+,mul(250,122))%#%mul(708,536)>select();from()mul(480,332)}&what(423,278)mul(891,459)}mul(852,128)mul(418,844)~select()[{when()(mul(69,312);!)where(419,852)<:*@-don't()what()!$-;{mul(91,636)-when()select()~from()(&mul(894,19)how()]@,[do()#,what()'@mul(116,57)why()from(),@-?mul(651,74)]what(704,54)how()<$mul(169,494) )from()$~-mul(44,491)$mul(29,368)'why()+-+mul(961,385)>who()select(137,499)mul(586,30)$%when(765,538)?why()(mul(378,568)}select()[:[%?$from()don't();mul(375,803)#']/@/^}*where(184,703)mul(21,508)>;+,mul(921,355)};mul(594,553@<?when()what()%%when()*don't()-<,from(342,971))mul(983,69!!!mul(980,691)why()mul(200,735)select(435,520){?mul(489,554?~!mul(212,991)/#<$!<*mul(751,323)mul(102,317)when()},^;why()mul(51,80)}+what()$~[mul(454,897)'/);(>%])mul(793,439)]from(599,582)mul(982,538)}//^;how()~)'from()don't()~&who()<+#+mul(386,116)>/~who()mul(373,106)+#!do()(&-select(),+~;~mul(59,223)mul(233,653)mul(547,404)?where()~%don't()}}select() from()@] from()mul(150,196) ]}(>mul(514,824)where()+mul(332,418)
+/>'^')what()mul(590,783)?$when()mul(55,422)from()~]select(198,113)from():}don't()mul(436,985)^:select()from()@//don't()/mul(675,976)$from(),!&]#*&don't()*[#how()~/*mul(172,297)<-{,select()};mul(866,305)$mul(938,509)+>mul(100,651)%where()how(223,719)/){!!;(mul(163,66)+''when()mul(217,127)^},(why()how()what()]who()mul(39,897)>/(mul(966,889)-]'}{,<mul(488,570)$@select(){do()~$@mul(878,77)why()-^mul(670,359)-]select()#{:}[mul(56,569);do()}}what()why()/what()[$mul(614,976)when()who()^'where()(mul(852,588)who(){how()}@when() $mul(532,868)}mul(603,823)#>+,!$$<mul(517,713)/&(select():where(910,84)[select()mul 'select(899,120)from()from()>why()from()mul(338,824)where()/&;mul(230,684)@'where(354,854)- )%when()mul(288,730){from()){}where()mul(124^}'(&don't()mul(688,399)from()++[how()why()mul(136,861who()!?#select()!]where()!do()&how()where()when()mul(968,380)'-$select()why()&:;mul(906>select()^~who())>:*mul(433,704)&why()#who()%@;what()>;mul(848,947) from(497,742)?select()~mul(590,692)why()* ,(<<)where()*mul(102,487)when()]where()>*when()!mul(406,710)mul(962,153)who()who()what()+&from()mul(419,854)$/mul(201,493)from()-)select()'^:[!;mul(779,883)why()why()}?why()(don't()what()]%~{mul(966,261)how()[when())^when()]mul(513,694)/*:when()select()who()'mul$?++~?:$mul(657,498)$ &why()mul(310,762)^+what()~,what()why()why()#}mul(320,448)%mul(886,159)(]what()?'@why():[mul(415@who()$what(){select()who())mul(912,558)select()<mul(614,536)don't()!%{mul(224,83)#why()who()where()+$mul(266,718)[where(437,374)?+who()};<+mul(939,819)'$mul(24,251))mul(101select()why(){how()when(),%mul(86,947)[<}^()%where(526,396)mul(694,25)^;do()what(); (how(307,882)mul(285,650)*%who()[#{what())/~mul(95,593)where()who(){/when()why()mul(931,886)&mul(110,763)}>where()%'why():mul(784,109)-&:-]mul(354,211):*#~mul(637,881),$from()mul(947,709)what():,'mul(284,267)&from()mul(259,860)/^],&(when()when()^mul@select() how()!mul(462,151)~,)where()mul(7,166)**what()<~<do()who()(how())why()}@[([mul(478,668)+!how()mul(118,569)^&;when()-@ mul(181,739^who(432,515)$mul(105,134)where()<from(880,223)who()select()%]mul(489{&>mul(137,598)^]~>mul(561,283)*@ ;select()mul(262,658)who()<,-what()/-why()mul'$;;-]<mul(7,931)?& ^+)where()mul(345,667)/^'mul(3,959)@%when()mul(522,907)~~  ]&%*how(106,70)mul(986,967)!where()when()mul(754,736)where(515,293)why()how()-:!mul(750,438)why()/~ mul[@'['>#why()>mul(510,757)$what()who()>mul(139,401)where()^#&/*mul(332,919)>?how()]when()/mul(218,127)[+mul(504,583)why()$>^mul(649,222)@?don't()from()&what())&'^mul(878,444),,mul(340,684)when()'why()when()?why()mul(852,617)mul(569,36)~(select():>~&/when()@do()<why(444,49)[#[?##^mul(298,203)([why()?,++:}mul(263,671),mul(197,758),';mul(893,114)who()^(,(#why()[*mul(917what()select()[where()from()&'@ [:don't()'+ ($]<where()*{mul(269,55)from()%!select()how()who()where()@mul(81,174)from())^who()mul(872,888&when()>why()from()>who()where()mul(93,146)(;why(863,117)mul(681,428);#mul)$from()how())?{] mul(793,537)where() @~?++?when()why()mul(163,958)select()}who()mul(540,501)$when()#who()/mul(331,537)[>~why()what(395,317)[)[mul(928,496):mul(127,943)$>mul(18,669)?&mul(443,860)when()!;;&select()*mul(624,669)[}:,*>]mul(941,338)?%where()((how();<~when()mul(483,529){)/'+'~$mul(254,159)when():when()'*!??%mul(731,125)when(670,595)]^^from()'?]mul(912,606) ):[^do()#{;?-mul(851,526)>'!'mul(689,174) >?{)how()/;what()mul(919,455)]mul(320,219){#+) {mul(267,831)((from()&:[-from()mul(84,102)mul(291,186)/+}*mulhow()?who()-*mul(973,390)
+ (~{$where()why(250,398)/how()&#!/usr/bin/perlwhy()-{{#^%>mul(772,422) 'how()}&)mul(184,89)$<how()what()%*~mul(197,267)*)[^mul(703,592)when(), ;why()select(151,652){{>what()mul(376,816)when(),@#mul(949,642)'/+select() [mul(399,146)[~who(){;~ mul(526,131)when()mul(787,620)@~+?from()@-mul(310,482)}:$?what() ,mul(360,720)/why()why()#)^mul(561,462)+@:-{who()mul(403,894)from(),}{(('?!mul(555,514)?-:#&]$-mul(18,725)??mul(901,195)how()mul(814,623)$;~)select()/mul(4,986)#,{-]{!*~mul(833,296)/?mul(496,21why():@/#[what();mul(162,231))>~do()select();+*^?}?mul(38,18)?*who()&why()/who(479,558)from()%,mul(225,613)mul(494,841)'who()%@+{>&~mul(586,498) select()*!/]};<mul(818,498)(}#@+mul(795,500)mul(285,406);;:  ,mul(404,65)]] ;!when()+what()''mul(201,457how()%mul(489,759)!who():where()?mul(381,280when()mul(312,151)who()^-mul(236who();who();(&?&]&]mul(393,302)&>-; /what()where()mul(614,161){select()where()+!what()/-mul(927,228)mul(432,16)when()?&+'^mul(539,745)]^when()what()mul(970,413)+<&:don't()$%mul(533,997))-mul(574,681)mul(978,225)&![who()why()(>mul(453,460)why()*+how()~!why()where()*-mul(840,804)>+mul(570,880)/>how()'-~*;+mul(367,248)$@what()mul(303,242)when()?>!!!-what()>%mul(547,184);when(300,185),^mul(196,377)~<{,[@from()when()from()'mul(727,421)>mul(199,873)],select()-+<&where()mul(962,772):what()/[${how()<*where()mul(534,770)select()/how()>*mul(356,156)((%where()}~how()#who()mul(801,644)from()mul#select(458,914)how()where()~}(}what()mul(273,584)who()mul(692,224)(>what()where();%,-mul(779,81)<[~who()!mul(786,30)]':mul(328,225)/when()#])(>:?:don't())*/mul(914,292)why()mul(83,290)[~mul(257,792),;+]*mul(949,612)*{;[-:]$^]mul(813,824)]/mul(5,572)}+don't():)from()*[>+(#who(422,860)mul(243,781)<-mul#<*<#&{?/'mul(579,115)(:mul(861,206)?)<why()how()why()when()/&mul(919?''/?',mul(859,273) '/&~why()[who()]/mul(865,638)-<$(when(534,151)what()mul(756,102)''<% ]mul(521,726)how()*;*-~'~mul(830,632)><&{>;mul(331,573)mul,^->,~>?who():<mul(294,77)/,:/}},mul(477/who()what()@<}why()mul(113,420)?+,mul?why()(*+[>from()mul(463,386)['{*>],when()?mul(740,88)]<[where()from()-]mul(685,334)+how()}how()^mul(973,106)select()$+mul(867,634)do()@-?mul(535,483)how()$<mul(478,385))[#&mul$@/select()#$[}:#]mul(965,153)why(110,391))}how()mul(484,578)who()-<mul(847,771)/mul(921,939), ~when()%mul(981,816)$[how()$*who(578,752)>[mul(161,41)]where(),#,mul(129,507)don't()who()what()<how()mul(554,49)(^:mul(618,748)$%<:<> mul(214,987)[ *^*[&mul(870,285)when()how())(+)+who()^<mul(581,483)]mul(921,982:]*%how()<mul(434,655):+mul(242,610)mul(614,631)what())where()how()what(932,531)what()where()}why()%mul(494[<;what()% %how()+mul(357,150)who()?mul(949,239)mul(802,54)where()!where()*?+/mul(209,916)&&&select()mul(637,422)-,~why()?)where()^mul(502,914)(how(913,389)^how()what()what()@ from(382,173)where()mul(860,112)/don't()'['#when()mul(110,847-mul(828,62)mul(370,262)@[!][^#why()@mul(693,119)who()$what()$&mul(399,511)from()}-who()(when() *do(),&*(#}mul(395,383)why()how()>how()how()'why(990,834)<@from(535,913)mul(741,712)why()when()who()@>-*!mul(296,759)$@where()mul(585,923)where()who()/why()]}>mul(163,233) ;;what(771,674)when()mul(553,949)select()when()'mul(545,530)
+( !>{!-*}mul(646,888)]-?<mul(908,145)mul(872,423)<why(523,766)$;what() &mul(724,993)]}from();>why()+mul(359,478)why()mul(186,893)]where()what()when() >select()mul(592,52)where()select()from()[select()from():~'/mul(164,308)what():>^)why()how()$&who()mul(377,499)why()((where()@~who(),mul(658,47)#how()+%from()'/select(287,448)]~mul(759,688)!<?%;}*mul(623,353)&#;~{mul(830,695)do()mul(755,160)-?{mul(138,691)mul(161,105)do())*&:who(592,695)![/mul(542,698)why()%/*do()[$from()~[mul(274,212)>@?]{(~mul(196,596)who()+mul(759,422)/@[#>where()mul)-how()>$&:$@},mul(861,458))mul(126,262)@;<how()(mul(986,49<)^[///[mul(615,656)-}): when()/mul(266,494)/)who()who()>what(){};:don't()#mul(695,332)>what(),why()#++%select(){mul(471,679)^select()/mul(387,568)when()%(]*how()>do()' ^]?mul(777,56)>where()(why()select(14,295)mul(874,481)!from(){;~how()@mul(22,505))~who())when():&mul(395,566)-(~what(231,98)$$;$mul(326,815)>from() select()^who()#mul(189,720)what(),from()don't()>%+/mul(418,532)-;):<when()[<%mul(561,959)/<*~/{mul(518,185)? ,select() <do()who()who()select()from():where()?when()mul(327,206)mul(501,728)',what(675,175):from();what()/{:don't()mul(219,962)when()'mul(7,809)/$;mul(768,798)mul(353,892)?from()! when()what()->don't())@:#<mul(899when()*;}^ &mul(506,552)mul(703,677):#}mul(13;when()don't()&/+><from()what()-{mul(801,431)(/mul(330,809)>!when():$[:<['mul(764,131)$:@&[from()%+~ mul(258,284)from(810,941)&how(232,473)mul(338,578);/select():mul(990,919)from()how()>[{!}mul(69,711),when()+do()}/[#who()*mul(907,255)?!}{]*mul(781,224)#select()<mul(400,377)mul(224,640)/@{why()mul(97,222)'~:select()mul(723,191)<~how()&->mul(755,122))<why()^]why()]mul(348,579)]where(758,732)mul(939,550)^]when()what()@*{don't()'+/:how()]}@@mul(21,125)mul(138,133)mul(482,114)where(),from(),*from()!/;[don't()why()what()how()mul(732,224)?!#?***!mul(823,749)%#/@*<what()mul(980,685)!;:/~} <$mul(51,373)$-!who()mul(523,713)!)~{%mul(16?;[who()!$how()&how()mul(461,976)#mul(108,138)when()@'}   ;(;mul(194,793)~%' ?from()select()[when()mul(79,491$*#%:mul(914,754)$' where()$who(){why()mul(692,138)+;*}mul(853,262)why()$mul(15,398why()*>-:[',mul(863,596):how() who()%select()select()[what()do()+where()^+mul(722,58)^[,how()?#^ !:mul}&select()~{}mul(885,728)when()?mul(468,630)?where()from()select()>*~:don't()%#}$@-)mul(200,579)why() mul(10,435):)/;@{;mul(298,190)where()why()$ mul(9,631);where(7,826)@-don't():':;[,!@+mul(273,471)mul(325,690)mul(267,174)mul(339,952)}what()>)>@mul(307,862)do()why(335,510)]&>( mul(636,749)(-mul(592,773)!mul(2,50+'#mul(338,514)#;why()where()mul(127,711)@mul(146,911)mul(860,601)%select()mul(806,306)mul(410,847),:[mul(73,481)+don't()>}<what()mul(826,657<+ {*^? what()mul(172,949){'~+#mul(732,513)how()'/why()*+/#&)mul(11,422)+'%@+when()$why(383,170)how()mul(190,688)]!{select();who()what()mul(450,687)from()what()mul(171,95)how()how()where()mul(631,790)~how() @$why())[mul(893,598)mul(39,888)#([/what()!]*}mul(290,685)!#who()[$do()^+@what());{$mul(463,742):$mul(118,146)@mul(39,34)what() <,when()@@mul(489,439)mul(874,442)how()~where()^who()select()-don't()/:how();when():$)mul(975,618)why()mul(732,833)where()mul(17,484)
+(>&)]mul(509,882)*/@~*<!&mul(813,280)::$+-*^mul(741,365)]()what()from(804,684)mul(734,644)*<]]%who()}[^don't()when()!;)mul(55,766+!select(797,794)@where()mul(595,285)why(807,706)/when(298,410)what()select()mul(439,186):mul(976,645)>where()-!mul)$do()where()?mul(308,113)/@?why()<where(35,826)&mul(127,972)^%<~??[!%;mul(781,845)/?#(select()mul(949,130)#{-#,mul(612,396)*{@@%'/mul(343,689)>where()>%mul(970,425)~[$@'[mul(83,136)+<%who()who()who()^~where()mul(960,152)when()mul(714,401)how()?]from()*!what(313,652)mul(455,389)select()why()<-[)%:(%mul(929,53[-@%~;%]where()why()mul(293,806)from(258,940)[mul(959,603)!@)why()?{{$mul(744,798) '{}&<&?,mul(389,91)#'select()@,who()/$<mul'who()where(634,260)^*$mul(625,376)@what()&mul(7,35)#)?!how(714,530)don't()from()who()>($-@,mul(792,652)how()mul&)!do())-}?~select()>mul(527,656)mul(220,657)who(453,708)mul&when()/when()+ how()how()%%@mul(62,191)'{%,mul(13,233)mul(780,237){from(817,212) when()mul(216,970)@what()}<: - ;mul(954,521)+mul(645,579)mul(695,53)%{},mul(927,488)$/$$what()&what()mul(815,350)](select(){;mul(650,656)&<:what(70,971)* mul(452,286)select()#&)when()+mul(438,390)>what()/mul(353,213) &from()~mul(920,652)~mul(971,287)don't()select()}/mul(4,595)where()-mul(332,353);>+mul(64,192)mul(33,846)}'where()(:mul(13,41)[@!^][(^$mul(728,587)what()>^&what()>who(73,62)why()where()mul(501,624)(%!mul(187,871),;>from()(, mul(563,884)]]/[who()mul(685,629){where()from()@@',who()why()<mul(741,377)'+{+'$+^/mul(69,647)!-mul(338,68)!why()mul(752,772)-'from()'what(){[&-mul(193,86)don't()from(899,805)how()what()+'+^mul(492,628)};from()*when()#?select()mul(20,602))-:where()mul(34,881),how()}mul(777,504){;mul(425,245):how()</:&}%mul(504,651)mul(193,8)+&who()+!^*{mul(247,144)}[#;when()where()mul(857,787); % (>;mul(57,598)mul(799,387)why()?mul(963,99)*-!''when()mul(606,12)who()]how(), mul(615,921)/what()from(858,351){how()#who()@mul(379,934)~/{mul(871,792)<[+&mul(206,542)mul(154,161)-when():why()[mul(663,226)>from()from()?#mul(320,293)>select()!@;from()where()<^~mul(865,92)mul(834,118)select()#>mul(36,886) why()[>,,))select()mul(777,447)what()};<>how()from()*mul(942,312)how()]mul(810,261)select()@+>)'){mul(356,987){mul(33,198)[select()from()where()({mul(752,594)$why()who()>,?^where()->mul(478,705)why();select()from()when();]/]from()mul(878,617)@who()<how()%;mul(951,929)<& ~mul(193,497) (mul(670,912)&from()*from(57,764)mul(872,457)]mul(411,192)@from(247,487)@*'select()mul(830,878)when()<?@!~why()mul(103,203)([- ;who(37,653)who()+{mul(574,907)$mul(288,478)'who()@select(453,494);-where()why()#mul(418,593)+^%>-who()[&&mul(554,90)#+:^do(), <{mul(978,459)/##[^ ]how(); mul(470,763)mul(342,6):&mul(192,104)from(220,224)[mul(309,253)$}mul(98,92)[mul(690,632)how()why()!>@mul(880,975)~/<what()}mul(233,433),>what()why()/*[mul(663,3)when()[@! )&,~^mul(965,150)#~},%^(]from()mul(503,640)::where()mul(146,66)&)~[mul(37,741)mul(714,547)/;
\ No newline at end of file
diff --git a/src/day_03/mod.rs b/src/day_03/mod.rs
new file mode 100644
index 0000000..ec839a1
--- /dev/null
+++ b/src/day_03/mod.rs
@@ -0,0 +1,2 @@
+pub mod part_1;
+pub mod part_2;
\ No newline at end of file
diff --git a/src/day_03/part_1.rs b/src/day_03/part_1.rs
new file mode 100644
index 0000000..5470c95
--- /dev/null
+++ b/src/day_03/part_1.rs
@@ -0,0 +1,12 @@
+use crate::utils;
+use regex::Regex;
+
+pub fn answer(text : &str) -> u32 {
+    Regex::new(r"mul\((\d{1,3}),(\d{1,3})\)")
+        .unwrap()
+        .captures_iter(text)
+        .map(|c| c.extract())
+        .filter_map(|(_, [l1, l2])| Some((utils::str_to_u32(l1)?, utils::str_to_u32(l2)?)))
+        .map(|(x, y)| x * y)
+        .sum()
+}
diff --git a/src/day_03/part_2.rs b/src/day_03/part_2.rs
new file mode 100644
index 0000000..7ccd4ca
--- /dev/null
+++ b/src/day_03/part_2.rs
@@ -0,0 +1,30 @@
+use crate::utils;
+use regex::Regex;
+
+pub fn answer(text : &str) -> u32 {
+    match text.split_once("don't()") {
+        Some((head, tail)) => {
+            multiplication_sum(head) + tail.split("don't()").map(take_valid).sum::<u32>()
+        },
+        None => {
+            multiplication_sum(text)
+        },
+    }
+}
+
+fn take_valid(s : &str) -> u32 {
+    match s.split_once("do()") {
+        Some((_, valid)) => multiplication_sum(valid),
+        None => 0,
+    }
+}
+
+fn multiplication_sum(s : &str) -> u32 {
+    let re = Regex::new(r"mul\((\d{1,3}),(\d{1,3})\)").unwrap();
+    
+    re.captures_iter(s)
+        .map(|c| c.extract())
+        .filter_map(|(_, [l1, l2])| Some((utils::str_to_u32(l1)?, utils::str_to_u32(l2)?)))
+        .map(|(x, y)| x * y)
+        .sum()
+}
diff --git a/src/lib.rs b/src/lib.rs
index 3748ad7..c0f5171 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,7 @@
 mod utils;
 mod day_01;
 mod day_02;
+mod day_03;
 
 pub fn day_01() {
     let s : String = utils::read_from_file("inputs/01.txt");
@@ -13,3 +14,9 @@ pub fn day_02() {
     println!("Day 02 part 1: {}", day_02::part_1::answer(s.as_str()));
     println!("Day 02 part 2: {}", day_02::part_2::answer(s.as_str()));
 }
+
+pub fn day_03() {
+    let s : String = utils::read_from_file("inputs/03.txt");
+    println!("Day 03 part 1: {}", day_03::part_1::answer(s.as_str()));
+    println!("Day 03 part 2: {}", day_03::part_2::answer(s.as_str()));
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 142a34a..7a34b15 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 fn main() {
     aoc_2024::day_01();
     aoc_2024::day_02();
+    aoc_2024::day_03();
 }