PROBLEM WITH MY REGEX IN IN-DATABASE FORMULA-IN DB

Hello everyone,

I am pretty new in Alterys,the problem i am facing now is about regular expression in IN-Database tool

i am using a regular expression in IN-FORMULA IN DB TOOL ,but at the end in the result i hae the new field as FALSE but looking at the mail  i can see that it is true,Really dont know why

`email`  like '^\w+([.\-_]\w+)*@[a-zA-Z0-9]+([.\-_]?[a-zA-Z0-9]+)*[.][a-zA-Z]{2,4}$'   in the IN-FORMULA-IN DB returning 

False --- toto@gmail.com

False --- toto_titi@live.fr

False --- tata12.tutu@hotmail.com

Hope i was clear in explaination my problem.

Thanks for your help.