case sensitive - Regex match all words that start with small letters -

case sensitive - Regex match all words that start with small letters -

i have match words start little letters. if have main , main, regex should match on main. have [a-z][a-za-z0-9]* , test on rubular matches main matches ain of main. there solution this?

you need tell start matching @ first letter of word -- word boundary. if alter \b[a-z][a-za-z0-9]* ought work expect. if want match entire word , stop, can add together word boundary @ end.

regex case-sensitive