Write a regular expression to find all words which have the first two characters of "ab", and after that at some point EITHER a "z" or a "y", and then after that at some point an "s". The "s" does not have to be at the end of the word. So the following words are all examples of words which you shou...

Supply an appropriate regular expression which will find all words which have the character ‘a’ in them, then 0 or more characters later have the string “epe”, then 0 or more characters later have the character “y”. The “y” character must occur AT THE END of the word in question, but the first ‘a’ d...

The fizl tool for Tex coherence checking supports %[tag] elements

CREMATRIX

Coge todos los casos válidos, descarta todos los incorrectos.

支持split分组匹配

For investigatorLastRegulatoryAction

For investigatorLastRegulatoryAction

\b[a-zA-Z_]\w+

(?P(\w+\s+))(?P=dup)