Does not crash: - 'File:///' typed slowly - 'File://a' typed slowly - 'File:// a' typed at any speed. Does crash: - 'File:///' typed quickly - 'File://X'

Does not crash: - 'File:///' typed slowly - 'File://a' typed slowly - 'File:// a' typed at any speed. Does crash: - 'File:///' typed quickly - 'File://X' (X being any non-whitespace character) quickly - 'File://X ' (any number of non-whitespace followed by any whitespace) at any speed