Sometimes when I’m looking at a build log, I don’t Xcode open or available for me to sift out all the text and highlight what I am looking for.
In those instances, I have to turn to regular expressions to find any error code hidden in a really long build log.
Here is a regular expression to find any error text that has a non-zero number:
([1-9]|[1-9][0-9]|[1-9][0-9][0-9]) error