This is a restricted regular expression; use "." (full stop) for missing letters, and "^" for the start and "$" for the end of the word.
This is a restricted regular expression; use "." (full stop) for missing letters, and "^" for the start and "$" for the end of the word.
The pattern is an optional restricted regular expression; use "." (full stop) for missing letters, and "^" for the start and "$" for the end of the word.