Merge pull request #1744 from 9rnsr/fix11603

Issue 11603 - std.algorithm.canFind does not work when needle is 1-byte zero
Merge pull request #1745 from 9rnsr/fix11671

Issue 11671 - ctRegex broken
Merge pull request #1715 from quickfur/issue11583

Fix issue 11583.
Merge pull request #1751 from dawgfoto/std_zip

[install,regression] fix Issue 11692 - can't set file attributes for std.zip.ArchiveMember