1Searches the contents of files in the project with a regular expression
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3- Prefer this tool to path search when searching for symbols in the project, because you won't need to guess what path it's in.
4- Supports full regex syntax (eg. "log.*Error", "function\\s+\\w+", etc.)
5- Pass an `include_pattern` if you know how to narrow your search on the files system
6- Never use this tool to search for paths. Only search file contents with this tool.
7- Use this tool when you need to find files containing specific patterns
8- Results are paginated with 20 matches per page. Use the optional 'offset' parameter to request subsequent pages.
9- DO NOT use HTML entities solely to escape characters in the tool parameters.