Regex to NFA Guide
Learn how to create regular expressions and visualize them as NFAsQuick Start: Try entering a*b to see a simple NFA, then test it with strings like aaab or b.
Basic Operators
|Alternation - matches either option
a|b*Zero or more repetitions
a*+One or more repetitions
a+?Optional - zero or one
a?()Grouping expressions
(ab)*Special Characters
\eExplicit epsilon transition
a\eb\Escape metacharacters
\*\+Try these examples:
a(b|c)*(x|y)+z?a\*b\e