Hi Miriyala,
Try this regular expression
^[\u0000-\u0080]+$
Tested input 1:
asdfdf adfkjadl34023 2342^*&(*)(_)_)(_) (*&@#@*#)KJHkjhkj2h3k4j23k4jl23kjl ljldfkjalkjfw098230940239 984379234283 -
Ok
Tested input 2:
adfasdf தமிழ் மொழி afasdfd زبان_تامیلی adfads - Failed
You can test your own input in
here[
^].
Hope this helps you a bit.
Regards,
RK