This link provides the list of available domain operators. http://stackoverflow.com/a/29443027

Are there operators to perform the following:

1. Matches beginning of the string word only

2. Matches end of the string only

3. Matches beginning of the word only

4. Matches end of the word only
   

NB: There are operators in Postgresql to perform the same. Like \A, ^, \M,\m,\Y,\y,\Z