Быстро ищет, показывает доступные, можно исп. сложный поиск:
g.*t.*ia - makes words that start with 'g' have a 't' in the middle, and that end with the letters 'ia'
[abtro]+ - makes words that only contain the letters 'abtro'
a[^a]*a - makes words that start with 'a' and end with 'a' but have no 'a's in between
([^a]|ab)* - makes words where each 'a' is followed by a 'b' (generated words unlikely to contain 'a' at all)
([^a]*ab[^a]*)* - makes words where each 'a' is followed by 'b' and that each have at least one 'ab'. Unlikely to produce more then 1 'ab'
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Important link!