Question

Regular expression for languages with limit on repeated letters

score 288 · Answer 1 · 2026-04-09 08:02:08

288

Views

Regular expression for languages with limit on repeated letters

Published on 09 Apr 2026 - 8:02

score 34 · Answer 2 · 2026-04-15 20:33:15

34

Views

Is this automaton correct for this regular laguage?

Published on 15 Apr 2026 - 20:33

score 96 · Answer 3 · 2026-04-09 13:31:47

96

Views

What would the notation for this binary string look like?

Published on 09 Apr 2026 - 13:31

score 286 · Answer 4 · 2026-04-12 12:11:26

286

Views

How to build unambiguous binary expression with property

Published on 12 Apr 2026 - 12:11

score 290 · Answer 5 · 2026-04-11 14:41:50

290

Views

Is an alphabet necessarily a regular language over it?

Published on 11 Apr 2026 - 14:41

score 257 · Answer 6 · 2026-04-14 08:22:56

257

Views

Why can regular expressions be defined without mentioning closure under intersection with regular sets, homorphisms, and inverse of homomorphisms?

Published on 14 Apr 2026 - 8:22

score 122 · Answer 7 · 2026-04-13 04:50:05

122

Views

Do lookahead and lookbehind in regex come from some type of formal languages?

Published on 13 Apr 2026 - 4:50

score 91 · Answer 8 · 2026-04-13 12:10:57

91

Views

Can DFA's be directly constructed from some special regular expressions but not from general regular expressions?

Published on 13 Apr 2026 - 12:10

score 74 · Answer 9 · 2026-04-15 08:25:08

74

Views

In regular expressions for regular languages, is there distinction between eager and lazy matching?

Published on 15 Apr 2026 - 8:25

score 45 · Answer 10 · 2026-04-11 11:48:23

45

Views

How to transform a regular expression into a context free grammar with 2 variables?

Published on 11 Apr 2026 - 11:48

score 87 · Answer 11 · 2026-05-10 15:10:22

87

Views

Context free grammar for language $\{ \{a,b\}^*$: where the number of $a$'s is unequal to the number of $b$'s$\}$

Published on 10 May 2026 - 15:10

score 1.1k · Answer 12 · 2026-04-17 02:51:52

1.1k

Views

Regular expression that accept the language of all binary strings with exactly two $a$’s and at least one $b$.

Published on 17 Apr 2026 - 2:51

score 465 · Answer 13 · 2026-04-12 10:47:32

465

Views

Regular Expression describing language accepted by Finite State Automata

Published on 12 Apr 2026 - 10:47

score 11.7k · Answer 14 · 2026-04-14 22:37:11

11.7k

Views

Simple regular expression for all strings over $\{0,1\}^*$ not ending in $01$

Published on 14 Apr 2026 - 22:37

score 257 · Answer 15 · 2026-04-13 21:11:30

257

Views

Does the fact that $L_1L_2$ and $L_2L_1$ are both regular imply that at least one between $L_1$ and $L_2$ is regular?

Published on 13 Apr 2026 - 21:11

List Question

Regular expression for languages with limit on repeated letters

Is this automaton correct for this regular laguage?

What would the notation for this binary string look like?

How to build unambiguous binary expression with property

Is an alphabet necessarily a regular language over it?

Why can regular expressions be defined without mentioning closure under intersection with regular sets, homorphisms, and inverse of homomorphisms?

Do lookahead and lookbehind in regex come from some type of formal languages?

Can DFA's be directly constructed from some special regular expressions but not from general regular expressions?

In regular expressions for regular languages, is there distinction between eager and lazy matching?

How to transform a regular expression into a context free grammar with 2 variables?

Context free grammar for language $\{ \{a,b\}^*$: where the number of $a$'s is unequal to the number of $b$'s$\}$

Regular expression that accept the language of all binary strings with exactly two $a$’s and at least one $b$.

Regular Expression describing language accepted by Finite State Automata

Simple regular expression for all strings over $\{0,1\}^*$ not ending in $01$

Does the fact that $L_1L_2$ and $L_2L_1$ are both regular imply that at least one between $L_1$ and $L_2$ is regular?

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