1*abce74f4SJohn MarinoNOTE implicit vs. explicit repetitions : 2009-02-02 2*abce74f4SJohn Marino 3*abce74f4SJohn Marino# Glenn Fowler <glenn.s.fowler@gmail.com> 4*abce74f4SJohn Marino# conforming matches (column 4) must match one of the following BREs 5*abce74f4SJohn Marino# NOMATCH 6*abce74f4SJohn Marino# (0,.)\((\(.\),\(.\))(?,?)(\2,\3)\)* 7*abce74f4SJohn Marino# (0,.)\((\(.\),\(.\))(\2,\3)(?,?)\)* 8*abce74f4SJohn Marino# i.e., each 3-tuple has two identical elements and one (?,?) 9*abce74f4SJohn Marino 10*abce74f4SJohn MarinoE ((..)|(.)) NULL NOMATCH 11*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) NULL NOMATCH 12*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) NULL NOMATCH 13*abce74f4SJohn Marino 14*abce74f4SJohn MarinoE ((..)|(.)){1} NULL NOMATCH 15*abce74f4SJohn MarinoE ((..)|(.)){2} NULL NOMATCH 16*abce74f4SJohn MarinoE ((..)|(.)){3} NULL NOMATCH 17*abce74f4SJohn Marino 18*abce74f4SJohn MarinoE ((..)|(.))* NULL (0,0) 19*abce74f4SJohn Marino 20*abce74f4SJohn MarinoE ((..)|(.)) a (0,1)(0,1)(?,?)(0,1) 21*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) a NOMATCH 22*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) a NOMATCH 23*abce74f4SJohn Marino 24*abce74f4SJohn MarinoE ((..)|(.)){1} a (0,1)(0,1)(?,?)(0,1) 25*abce74f4SJohn MarinoE ((..)|(.)){2} a NOMATCH 26*abce74f4SJohn MarinoE ((..)|(.)){3} a NOMATCH 27*abce74f4SJohn Marino 28*abce74f4SJohn MarinoE ((..)|(.))* a (0,1)(0,1)(?,?)(0,1) 29*abce74f4SJohn Marino 30*abce74f4SJohn MarinoE ((..)|(.)) aa (0,2)(0,2)(0,2)(?,?) 31*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) aa (0,2)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2) 32*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) aa NOMATCH 33*abce74f4SJohn Marino 34*abce74f4SJohn MarinoE ((..)|(.)){1} aa (0,2)(0,2)(0,2)(?,?) 35*abce74f4SJohn MarinoE ((..)|(.)){2} aa (0,2)(1,2)(?,?)(1,2) 36*abce74f4SJohn MarinoE ((..)|(.)){3} aa NOMATCH 37*abce74f4SJohn Marino 38*abce74f4SJohn MarinoE ((..)|(.))* aa (0,2)(0,2)(0,2)(?,?) 39*abce74f4SJohn Marino 40*abce74f4SJohn MarinoE ((..)|(.)) aaa (0,2)(0,2)(0,2)(?,?) 41*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) aaa (0,3)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3) 42*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) aaa (0,3)(0,1)(?,?)(0,1)(1,2)(?,?)(1,2)(2,3)(?,?)(2,3) 43*abce74f4SJohn Marino 44*abce74f4SJohn MarinoE ((..)|(.)){1} aaa (0,2)(0,2)(0,2)(?,?) 45*abce74f4SJohn MarinoE ((..)|(.)){2} aaa (0,3)(2,3)(?,?)(2,3) 46*abce74f4SJohn MarinoE ((..)|(.)){3} aaa (0,3)(2,3)(?,?)(2,3) 47*abce74f4SJohn Marino 48*abce74f4SJohn MarinoE ((..)|(.))* aaa (0,3)(2,3)(?,?)(2,3) 49*abce74f4SJohn Marino 50*abce74f4SJohn MarinoE ((..)|(.)) aaaa (0,2)(0,2)(0,2)(?,?) 51*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) aaaa (0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?) 52*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) aaaa (0,4)(0,2)(0,2)(?,?)(2,3)(?,?)(2,3)(3,4)(?,?)(3,4) 53*abce74f4SJohn Marino 54*abce74f4SJohn MarinoE ((..)|(.)){1} aaaa (0,2)(0,2)(0,2)(?,?) 55*abce74f4SJohn MarinoE ((..)|(.)){2} aaaa (0,4)(2,4)(2,4)(?,?) 56*abce74f4SJohn MarinoE ((..)|(.)){3} aaaa (0,4)(3,4)(?,?)(3,4) 57*abce74f4SJohn Marino 58*abce74f4SJohn MarinoE ((..)|(.))* aaaa (0,4)(2,4)(2,4)(?,?) 59*abce74f4SJohn Marino 60*abce74f4SJohn MarinoE ((..)|(.)) aaaaa (0,2)(0,2)(0,2)(?,?) 61*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) aaaaa (0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?) 62*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) aaaaa (0,5)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,5)(?,?)(4,5) 63*abce74f4SJohn Marino 64*abce74f4SJohn MarinoE ((..)|(.)){1} aaaaa (0,2)(0,2)(0,2)(?,?) 65*abce74f4SJohn MarinoE ((..)|(.)){2} aaaaa (0,4)(2,4)(2,4)(?,?) 66*abce74f4SJohn MarinoE ((..)|(.)){3} aaaaa (0,5)(4,5)(?,?)(4,5) 67*abce74f4SJohn Marino 68*abce74f4SJohn MarinoE ((..)|(.))* aaaaa (0,5)(4,5)(?,?)(4,5) 69*abce74f4SJohn Marino 70*abce74f4SJohn MarinoE ((..)|(.)) aaaaaa (0,2)(0,2)(0,2)(?,?) 71*abce74f4SJohn MarinoE ((..)|(.))((..)|(.)) aaaaaa (0,4)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?) 72*abce74f4SJohn MarinoE ((..)|(.))((..)|(.))((..)|(.)) aaaaaa (0,6)(0,2)(0,2)(?,?)(2,4)(2,4)(?,?)(4,6)(4,6)(?,?) 73*abce74f4SJohn Marino 74*abce74f4SJohn MarinoE ((..)|(.)){1} aaaaaa (0,2)(0,2)(0,2)(?,?) 75*abce74f4SJohn MarinoE ((..)|(.)){2} aaaaaa (0,4)(2,4)(2,4)(?,?) 76*abce74f4SJohn MarinoE ((..)|(.)){3} aaaaaa (0,6)(4,6)(4,6)(?,?) 77*abce74f4SJohn Marino 78*abce74f4SJohn MarinoE ((..)|(.))* aaaaaa (0,6)(4,6)(4,6)(?,?) 79*abce74f4SJohn Marino 80*abce74f4SJohn MarinoNOTE additional repetition tests graciously provided by Chris Kuklewicz www.haskell.org 2009-02-02 81*abce74f4SJohn Marino 82*abce74f4SJohn Marino# These test a bug in OS X / FreeBSD / NetBSD, and libtree. 83*abce74f4SJohn Marino# Linux/GLIBC gets the {8,} and {8,8} wrong. 84*abce74f4SJohn Marino 85*abce74f4SJohn Marino:HA#100:E X(.?){0,}Y X1234567Y (0,9)(7,8) 86*abce74f4SJohn Marino:HA#101:E X(.?){1,}Y X1234567Y (0,9)(7,8) 87*abce74f4SJohn Marino:HA#102:E X(.?){2,}Y X1234567Y (0,9)(7,8) 88*abce74f4SJohn Marino:HA#103:E X(.?){3,}Y X1234567Y (0,9)(7,8) 89*abce74f4SJohn Marino:HA#104:E X(.?){4,}Y X1234567Y (0,9)(7,8) 90*abce74f4SJohn Marino:HA#105:E X(.?){5,}Y X1234567Y (0,9)(7,8) 91*abce74f4SJohn Marino:HA#106:E X(.?){6,}Y X1234567Y (0,9)(7,8) 92*abce74f4SJohn Marino:HA#107:E X(.?){7,}Y X1234567Y (0,9)(7,8) 93*abce74f4SJohn Marino:HA#108:E X(.?){8,}Y X1234567Y (0,9)(8,8) 94*abce74f4SJohn Marino:HA#110:E X(.?){0,8}Y X1234567Y (0,9)(7,8) 95*abce74f4SJohn Marino:HA#111:E X(.?){1,8}Y X1234567Y (0,9)(7,8) 96*abce74f4SJohn Marino:HA#112:E X(.?){2,8}Y X1234567Y (0,9)(7,8) 97*abce74f4SJohn Marino:HA#113:E X(.?){3,8}Y X1234567Y (0,9)(7,8) 98*abce74f4SJohn Marino:HA#114:E X(.?){4,8}Y X1234567Y (0,9)(7,8) 99*abce74f4SJohn Marino:HA#115:E X(.?){5,8}Y X1234567Y (0,9)(7,8) 100*abce74f4SJohn Marino:HA#116:E X(.?){6,8}Y X1234567Y (0,9)(7,8) 101*abce74f4SJohn Marino:HA#117:E X(.?){7,8}Y X1234567Y (0,9)(7,8) 102*abce74f4SJohn Marino:HA#118:E X(.?){8,8}Y X1234567Y (0,9)(8,8) 103*abce74f4SJohn Marino 104*abce74f4SJohn Marino# These test a fixed bug in my regex-tdfa that did not keep the expanded 105*abce74f4SJohn Marino# form properly grouped, so right association did the wrong thing with 106*abce74f4SJohn Marino# these ambiguous patterns (crafted just to test my code when I became 107*abce74f4SJohn Marino# suspicious of my implementation). The first subexpression should use 108*abce74f4SJohn Marino# "ab" then "a" then "bcd". 109*abce74f4SJohn Marino 110*abce74f4SJohn Marino# OS X / FreeBSD / NetBSD badly fail many of these, with impossible 111*abce74f4SJohn Marino# results like (0,6)(4,5)(6,6). 112*abce74f4SJohn Marino 113*abce74f4SJohn Marino:HA#260:E (a|ab|c|bcd){0,}(d*) ababcd (0,6)(3,6)(6,6) 114*abce74f4SJohn Marino:HA#261:E (a|ab|c|bcd){1,}(d*) ababcd (0,6)(3,6)(6,6) 115*abce74f4SJohn Marino:HA#262:E (a|ab|c|bcd){2,}(d*) ababcd (0,6)(3,6)(6,6) 116*abce74f4SJohn Marino:HA#263:E (a|ab|c|bcd){3,}(d*) ababcd (0,6)(3,6)(6,6) 117*abce74f4SJohn Marino:HA#264:E (a|ab|c|bcd){4,}(d*) ababcd NOMATCH 118*abce74f4SJohn Marino:HA#265:E (a|ab|c|bcd){0,10}(d*) ababcd (0,6)(3,6)(6,6) 119*abce74f4SJohn Marino:HA#266:E (a|ab|c|bcd){1,10}(d*) ababcd (0,6)(3,6)(6,6) 120*abce74f4SJohn Marino:HA#267:E (a|ab|c|bcd){2,10}(d*) ababcd (0,6)(3,6)(6,6) 121*abce74f4SJohn Marino:HA#268:E (a|ab|c|bcd){3,10}(d*) ababcd (0,6)(3,6)(6,6) 122*abce74f4SJohn Marino:HA#269:E (a|ab|c|bcd){4,10}(d*) ababcd NOMATCH 123*abce74f4SJohn Marino:HA#270:E (a|ab|c|bcd)*(d*) ababcd (0,6)(3,6)(6,6) 124*abce74f4SJohn Marino:HA#271:E (a|ab|c|bcd)+(d*) ababcd (0,6)(3,6)(6,6) 125*abce74f4SJohn Marino 126*abce74f4SJohn Marino# The above worked on Linux/GLIBC but the following often fail. 127*abce74f4SJohn Marino# They also trip up OS X / FreeBSD / NetBSD: 128*abce74f4SJohn Marino 129*abce74f4SJohn Marino:HA#280:E (ab|a|c|bcd){0,}(d*) ababcd (0,6)(3,6)(6,6) 130*abce74f4SJohn Marino:HA#281:E (ab|a|c|bcd){1,}(d*) ababcd (0,6)(3,6)(6,6) 131*abce74f4SJohn Marino:HA#282:E (ab|a|c|bcd){2,}(d*) ababcd (0,6)(3,6)(6,6) 132*abce74f4SJohn Marino:HA#283:E (ab|a|c|bcd){3,}(d*) ababcd (0,6)(3,6)(6,6) 133*abce74f4SJohn Marino:HA#284:E (ab|a|c|bcd){4,}(d*) ababcd NOMATCH 134*abce74f4SJohn Marino:HA#285:E (ab|a|c|bcd){0,10}(d*) ababcd (0,6)(3,6)(6,6) 135*abce74f4SJohn Marino:HA#286:E (ab|a|c|bcd){1,10}(d*) ababcd (0,6)(3,6)(6,6) 136*abce74f4SJohn Marino:HA#287:E (ab|a|c|bcd){2,10}(d*) ababcd (0,6)(3,6)(6,6) 137*abce74f4SJohn Marino:HA#288:E (ab|a|c|bcd){3,10}(d*) ababcd (0,6)(3,6)(6,6) 138*abce74f4SJohn Marino:HA#289:E (ab|a|c|bcd){4,10}(d*) ababcd NOMATCH 139*abce74f4SJohn Marino:HA#290:E (ab|a|c|bcd)*(d*) ababcd (0,6)(3,6)(6,6) 140*abce74f4SJohn Marino:HA#291:E (ab|a|c|bcd)+(d*) ababcd (0,6)(3,6)(6,6) 141