QRegExp not matching as expected

Question

i would like to match all strings that contain none of these characters "<",">","=" with QRegExp (Qt). With the folloing regexp, this is not working:

 "^[^><=]+$"

why? to me it means: beginning of string, one or more characters that are not >,<,= and end of string

thanks

EDIT

i would like to match

BUILD

for instance, and i would like not to match

BU<ILD

Answer 1

Try the other way to do it. Use:

^(?!.*[<>=]).*$