I need to select lines where there are specific strings contained somewhere in the field. The format of the string desired is 'nnnn-nnnnn' where n = a number 0-9 (no vowels or special characters), so they would look like this; 2015-70707. My problem is there are examples where the string I want is there but does not follow the format exactly. Sometimes there may be a space on one side of the hyphen or not, or more than one example in each line. The result desired would be the string 'nnnn-nnnnn'. Here are examples of what I need to include and not include in my query;
