public Regex CompileRegex(string globPattern, FileSystemCasing casing)
{
var normalisedGlobPattern = SquashDirectorySeparators(globPattern);
var regexPattern = new Internal().Compile(normalisedGlobPattern);
return(FileSystemRegexHelpers.CreateRegex(regexPattern, casing));
}
public Regex CompileRegex(string fileExtension, FileSystemCasing casing)
{
var trimmed = fileExtension.TrimStart('.');
if (fileExtension.Length - trimmed.Length > 1)
{
throw new FileExtensionFormatException("Multiple leading dots are not permitted.", fileExtension);
}
var regexPattern = $@"^.*\.{Regex.Escape(trimmed)}$";
return(FileSystemRegexHelpers.CreateRegex(regexPattern, casing));
}