SVN clients like TortoiseSVN does not come with the content search support. It can be done by using Git SCM client.
Installation:
Please follow the below steps on Windows
Goto https://git-scm.com/download/win
Download & install the exe file
Copying SVN Content to Local Drive:
Create a folder in any drive. e.g. D:\myrepo
Go to windows command prompt
Then from command prompt navigate to D:\myrepo (using cd)
Clone the SVN repository to the local drive (D:\myrepo) by executing below command
git svn clone <SVN_URL>
You will be prompted for username/password in command prompt while downloading the SVN content
Search the content:
Once the download is finished in D:\myrepo; execute the below command providing the text to be searched in <keyword>.
git grep -i <keyword> [e.g. git grep -i abcd]
-i is used to provide case-insensitive content search. To make the search case-sensitive remove -i option
The list of files with contents will be printed in the command prompt