On Jan 15, 2016, at 2:47 AM, David Malcolm <dmalc...@redhat.com> wrote:
> FWIW, I do something similar in multiline.exp's _build_multiline_regex,
> which attempts to have a complete list of metacharacters (though I
> believe some of these are not valid for POSIX filenames);
Only ‘\’ and ‘\0’ are invalid. The rest are ok. ‘/‘ is only invalid in a
single component of a path, because / is used as a separator.
> # We need to escape "^" and other regexp metacharacters.
> set line [string map {"^" "\\^"
> "(" "\\("
> ")" "\\)"
> "[" "\\["
> "]" "\\]"
> "{" "\\{"
> "}" "\\}"
> "." "\\."
> "\\" "\\\\"
> "?" "\\?"
> "+" "\\+"
> "*" "\\*"
> "|" "\\|"} $line]
Some regexp systems that use ^, also use $. TCL does does example.
