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I came across this regexp in a Perl script:
$parent_file =~ s@^\Q$CurrentWorkDirForFile\E/@@
The current working directory is populated with cwd.
Can anyone please explain what this entry is?
In perl, you can use (almost) any character to delimit a regex. So this is equivalent to
s/^\Q$CurrentWorkDirForFile\E///. The\Qand\Edisable/enable the interpretation of special pattern metacharacters. So, for example,/\Q+\E/will match a literal plus even though+is a special character in regexps.