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Do you know how to look for special characters with google...?
I'm looking at bash code and there's the ## operator. I would like to know what It does but I wasn't able to figure out a way to protect the character (I'm not sure it's even possible).
This is particularly annoying when you're looking for some code patterns, some characters are always ignored.
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To search for a specific symbol, use the symbol filter. For example, the following search returns all classes, functions and variables with "immutable" in the name.
You can fine-tune your search query and increase the accuracy of its results by using special characters and operators, such as +, –, ~, .., OR, and quotation marks.
In your document, position the insertion point where you want the special character to appear. Press and hold down the ALT key while you type the four number Unicode value for the character. Note that NUM LOCK must be on, and you have to use the number pad keys to type the Unicode character value.
Google strips most punctuation from queries, as described here, so it won't help you with the bash syntax.
It's very easy to search for the string "##" in the bash documentation: Just run "info bash", hit "s", and enter "##" as the search string.
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google strips puntuation, imho, because:
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