Linux Bash: How to find a string inside C/C++ Source and Header Files

Just issue the following in the folder of the source codes and replace ‘FIND ME’ with the string you want to query:

find -O3 . -regex '.*\.\(c\|cpp\|h\)




You can change the contents of the regular expression to search in different file extensions (file types). 


 -exec grep 'FIND ME!' -sl '{}' \;

You can change the contents of the regular expression to search in different file extensions (file types). 

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