Convert a pure glob pattern to an anchored regex. * -> .*, ? -> ., everything else escaped; a user-written .* is preserved. Mirrors Go wildcardToRegex, using a sentinel to protect ".*" across the escape step.
*
.*
?
.
Convert a pure glob pattern to an anchored regex.
*->.*,?->., everything else escaped; a user-written.*is preserved. Mirrors Go wildcardToRegex, using a sentinel to protect ".*" across the escape step.