in spreadsheet/Sheet1.vb [78:87]
Function escape_character(ByVal input_text As String, search_char As String, Optional unescape_first As Boolean = True) As String
If unescape_first Then
input_text = Replace(input_text, "\" + search_char, search_char)
End If
input_text = Replace(input_text, search_char, "\" + search_char)
escape_character = input_text
End Function