Linux Regular Expressions: POSIX and Extended
When you run a grep command and your regex mysteriously doesn’t match, the culprit is often a misunderstanding of POSIX regex flavors. Linux and Unix systems standardize around two distinct regular…
When you run a grep command and your regex mysteriously doesn’t match, the culprit is often a misunderstanding of POSIX regex flavors. Linux and Unix systems standardize around two distinct regular…