Hi,

All same, for single term queries it makes no sense/difference to use quotes. 
Quotes are proximity operators, it requires at least two clauses/terms. 

Actually I coudn't re-produce your problem with 4.8.0. With 
q=d!sdasdsdwasd...@dsadsadas.edu it is not treated as NOT operator. What 
version are you using?

For other characters having special meaning, please see Escaping Special 
Characters section 
http://lucene.apache.org/core/4_8_0/queryparser/org/apache/lucene/queryparser/classic/package-summary.html#package_description

Ahmet





On Wednesday, May 14, 2014 7:18 AM, nativecoder <romrom...@gmail.com> wrote:
Yes that happens due to the ! mark.

Also can someone please tell me the difference between searching a text in
the following ways

1. q=Exact_Word:"samplestring"

2. q=samplestring&qf=Exact_Word

3. q="samplestring"&qf=Exact_Word

I think the first and the third one are the same.  is it correct ? How does
it differ from the second one.

I am trying to understand how enclosing the full term in "" is resolving
this problem ? What does it tell to solr  ?

Other than the exclamation mark are there any other characters which tells
specific things to solr
On May 14, 2014 1:54 AM, "nativecoder [via Lucene]" <
ml-node+s472066n4135493...@n3.nabble.com> wrote:

> Also could you please tell me the difference between searching a text in
> the following ways
>
> q=Exact_Word:"samplestring"
>
> q=samplestring&qf=Exact_Word
>
> I am trying to understand how enclosing the full term in "" is resolving
> this problem ? What does it tell to solr  ?
>
> Other than the exclamation mark are there any other characters which tells
> specific things to solr
>
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