<censored> windows search!

[#1]

I've finally figured it out but it's blooming obscure and practically undocumented, I just wonder how many others know how to do it.
I've a directory with subdirectories containing nearly 300 program source code files (with specific extensions and there are other file types in there as well).
I want to find all programs that contain the exact string @.answers. Note there are many, many programs that contain the word answers without the prefix of @.. There's also some file names where answers is part of the name.
Just typing @.answers in to the Windows Explorer search box brings up scores of unwanted matches.
So how do you do it?

[#2]

Try in 'Folder and Search Options' (Click 'Organize' at the top of an explorer window in Windows 7, may differ in different versions)
Select the 'Search' tab and untick 'Find Partial Matches'
Not tried it so it may or may not work.

[#3]

Nope - that's not how you do it. It still matches any file that contains "answers".
I'll end your bafflement: you enter this in the search box:

content:~="@.answers"

I said it was obscure!

[#4]

I thought the quotes bit worked until I tried it.
However the rest of it....who would have guessed.

[#5]

After a short trial, I added 'Windows search' to my box that contains other 'useful' ephemera such as Chocolate teapots;  Plusnet Assist;  Outlook Express .................. etc 
M

[#6]

[#7]

How did you come up with/discover that?!
Not tried it yet but if it works it'll be the answer I've needed for years! Thank you!!!

[#8]

Partly googling and then a bit of guessing!
It was so easy on XP if you used the old search method.

[#9]

Using Gnuwin32 grep it's a one-liner; eg to list all .txt files containing the string "@.answers" in C:\temp and subdirectories:
> grep -l -r --include=*\.txt  @\.answers  C:\temp
You could also get there using a  native W7 shell script, either the basic one or Powershell,  "Microsoft's answer to Unix shell scripting". http://commandwindows.com/windows7-commands.htm .  Somewhere, presumably, the GUI options are also listed.

[#10]

I do use command line FIND from time to time. The disadvantage is of course that unlike with the Windows Explorer search you don't end up with a list of files you can double click to open.

[#11]

Quote from: jelv

content:~="@.answers"

Do you think I need to change my internet banking password? 
Because it's probably nearly as easy to guess as that command! 

[#12]

Unlike grep, windows search can often work from its prescanned summary database: not sure it could for a search like this.  When it can it is much faster than a scanning method like grep.
Try Agent Ransack where an actual scan of the data is required: https://www.mythicsoft.com/agentransack
Well integrated with Explorer (eg launch for given directory on right click), shows Explorer-like summary of files, and lists the matching lines if you so wish, and various options such as date, regexp, etc etc.