|  | 0:(.*)*\1:xx | 
|  | 0:^: | 
|  | 0:$: | 
|  | 0:^$: | 
|  | 0:^a$:a | 
|  | 0:abc:abc | 
|  | 1:abc:xbc | 
|  | 1:abc:axc | 
|  | 1:abc:abx | 
|  | 0:abc:xabcy | 
|  | 0:abc:ababc | 
|  | 0:ab*c:abc | 
|  | 0:ab*bc:abc | 
|  | 0:ab*bc:abbc | 
|  | 0:ab*bc:abbbbc | 
|  | 0:ab+bc:abbc | 
|  | 1:ab+bc:abc | 
|  | 1:ab+bc:abq | 
|  | 0:ab+bc:abbbbc | 
|  | 0:ab?bc:abbc | 
|  | 0:ab?bc:abc | 
|  | 1:ab?bc:abbbbc | 
|  | 0:ab?c:abc | 
|  | 0:^abc$:abc | 
|  | 1:^abc$:abcc | 
|  | 0:^abc:abcc | 
|  | 1:^abc$:aabc | 
|  | 0:abc$:aabc | 
|  | 0:^:abc | 
|  | 0:$:abc | 
|  | 0:a.c:abc | 
|  | 0:a.c:axc | 
|  | 0:a.*c:axyzc | 
|  | 1:a.*c:axyzd | 
|  | 1:a[bc]d:abc | 
|  | 0:a[bc]d:abd | 
|  | 1:a[b-d]e:abd | 
|  | 0:a[b-d]e:ace | 
|  | 0:a[b-d]:aac | 
|  | 0:a[-b]:a- | 
|  | 0:a[b-]:a- | 
|  | 2:a[b-a]:- | 
|  | 2:a[]b:- | 
|  | 2:a[:- | 
|  | 0:a]:a] | 
|  | 0:a[]]b:a]b | 
|  | 0:a[^bc]d:aed | 
|  | 1:a[^bc]d:abd | 
|  | 0:a[^-b]c:adc | 
|  | 1:a[^-b]c:a-c | 
|  | 1:a[^]b]c:a]c | 
|  | 0:a[^]b]c:adc | 
|  | 0:ab|cd:abc | 
|  | 0:ab|cd:abcd | 
|  | 0:()ef:def | 
|  | 0:()*:- | 
|  | 2:*a:- | 
|  | 2:^*:- | 
|  | 2:$*:- | 
|  | 2:(*)b:- | 
|  | 1:$b:b | 
|  | 2:a\:- | 
|  | 0:a\(b:a(b | 
|  | 0:a\(*b:ab | 
|  | 0:a\(*b:a((b | 
|  | 1:a\x:a\x | 
|  | 1:abc):- | 
|  | 2:(abc:- | 
|  | 0:((a)):abc | 
|  | 0:(a)b(c):abc | 
|  | 0:a+b+c:aabbabc | 
|  | 0:a**:- | 
|  | 0:a*?:- | 
|  | 0:(a*)*:- | 
|  | 0:(a*)+:- | 
|  | 0:(a|)*:- | 
|  | 0:(a*|b)*:- | 
|  | 0:(a+|b)*:ab | 
|  | 0:(a+|b)+:ab | 
|  | 0:(a+|b)?:ab | 
|  | 0:[^ab]*:cde | 
|  | 0:(^)*:- | 
|  | 0:(ab|)*:- | 
|  | 2:)(:- | 
|  | 1:abc: | 
|  | 1:abc: | 
|  | 0:a*: | 
|  | 0:([abc])*d:abbbcd | 
|  | 0:([abc])*bcd:abcd | 
|  | 0:a|b|c|d|e:e | 
|  | 0:(a|b|c|d|e)f:ef | 
|  | 0:((a*|b))*:- | 
|  | 0:abcd*efg:abcdefg | 
|  | 0:ab*:xabyabbbz | 
|  | 0:ab*:xayabbbz | 
|  | 0:(ab|cd)e:abcde | 
|  | 0:[abhgefdc]ij:hij | 
|  | 1:^(ab|cd)e:abcde | 
|  | 0:(abc|)ef:abcdef | 
|  | 0:(a|b)c*d:abcd | 
|  | 0:(ab|ab*)bc:abc | 
|  | 0:a([bc]*)c*:abc | 
|  | 0:a([bc]*)(c*d):abcd | 
|  | 0:a([bc]+)(c*d):abcd | 
|  | 0:a([bc]*)(c+d):abcd | 
|  | 0:a[bcd]*dcdcde:adcdcde | 
|  | 1:a[bcd]+dcdcde:adcdcde | 
|  | 0:(ab|a)b*c:abc | 
|  | 0:((a)(b)c)(d):abcd | 
|  | 0:[A-Za-z_][A-Za-z0-9_]*:alpha | 
|  | 0:^a(bc+|b[eh])g|.h$:abh | 
|  | 0:(bc+d$|ef*g.|h?i(j|k)):effgz | 
|  | 0:(bc+d$|ef*g.|h?i(j|k)):ij | 
|  | 1:(bc+d$|ef*g.|h?i(j|k)):effg | 
|  | 1:(bc+d$|ef*g.|h?i(j|k)):bcdd | 
|  | 0:(bc+d$|ef*g.|h?i(j|k)):reffgz | 
|  | 1:((((((((((a)))))))))):- | 
|  | 0:(((((((((a))))))))):a | 
|  | 1:multiple words of text:uh-uh | 
|  | 0:multiple words:multiple words, yeah | 
|  | 0:(.*)c(.*):abcde | 
|  | 1:\((.*),:(.*)\) | 
|  | 1:[k]:ab | 
|  | 0:abcd:abcd | 
|  | 0:a(bc)d:abcd | 
|  | 0:a[-]?c:ac | 
|  | 0:(....).*\1:beriberi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Qaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mo'ammar Gadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Kaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Qadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moammar El Kadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Gadafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar al-Qadafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moamer El Kazzafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moamar al-Gaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar Al Qathafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Al Qathafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mo'ammar el-Gadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moamar El Kadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar al-Qadhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar al-Qadhdhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar Qadafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moamar Gaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar Qadhdhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Khaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar al-Khaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'amar al-Kadafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Ghaddafy | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Ghadafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Ghaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muamar Kaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Quathafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muammar Gheddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Muamar Al-Kaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moammar Khadafy | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Moammar Qudhafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mu'ammar al-Qaddafi | 
|  | 0:M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]:Mulazim Awwal Mu'ammar Muhammad Abu Minyar al-Qadhafi | 
|  | 0:[[:digit:]]+:01234 | 
|  | 1:[[:alpha:]]+:01234 | 
|  | 0:^[[:digit:]]*$:01234 | 
|  | 1:^[[:digit:]]*$:01234a | 
|  | 0:^[[:alnum:]]*$:01234a | 
|  | 0:^[[:xdigit:]]*$:01234a | 
|  | 1:^[[:xdigit:]]*$:01234g | 
|  | 0:^[[:alnum:][:space:]]*$:Hello world |