// For example, the "//" could be missing, or there could be "///" as in "file:///C:\foo.txt"
// To retain the same string as originally given, find the authority in the original url and include
// everything up to that.
- int authorityIndex = inputWithoutQueryFragment.IndexOf(authority, StringComparison.Ordinal);
+ int authorityIndex = inputWithoutQueryFragment.IndexOf(authority, StringComparison.OrdinalIgnoreCase);
if (authorityIndex != -1) {
int schemeAndAuthorityLength = authorityIndex + authority.Length;
schemeAndAuthority = inputWithoutQueryFragment.Substring(0, schemeAndAuthorityLength);