It is a powerful tool for text processing and is widely used in Unix-like operating systems, including Linux. grep supports regular expressions, making it flexible for complex pattern matching. For ...

and so much more. One common situation many command line users may find themselves in, is seeking to grep match for two different strings in a single line. You can use grep in the Terminal in MacOS ...

6749 21.857s (1.40x) GNU grep LC_ALL=C grep -E '[A-Za-z]{30}' 6749 32.409s (2.08x) GNU grep (Unicode) LC_ALL=en_US.UTF-8 grep -E '[A-Za-z]{30}' 6795 8m30s (32.74x) Finally, high match ... not to use ...