javascript - Regex c# to jquery implementation -

i have regex on asp.net mvc3 application:

regex pattern = new regex(@"^(?!.*(.)\1\1)(?=.*\d)(?=.*[a-z])(?=.*[a-z])[0-9a-za-z]{8,20}$");

i needed implement jquery due requirements this:

password.match(/(.*(?=.*\d)(?=.*[a-z])(?=.*[a-z])[0-9a-za-z]/))

this working. detect if 1 uppercase, 1 lowercase , 1 number present on password. , have need detect if 3 consecutive letter present (eg: aaa, bbb).

with regex on c# , working of:

/(.)\1\1/

but can't make work on password.match(/(.)\1\1/)

did missed here? in advance!

i've copied c# regex , tried in javascript console , works great:

"waweeead2".match(/^(?!.*(.)\1\1)(?=.*\d)(?=.*[a-z])(?=.*[a-z])[0-9a-za-z]{8,20}$/)

returns ["waweeead2", undefined] and

"waweeeead2".match(/^(?!.*(.)\1\1)(?=.*\d)(?=.*[a-z])(?=.*[a-z])[0-9a-za-z]{8,20}$/)

returns null.

Naan