Update 10-regular-expressions.md

Updated objectives. Addresses #218 in part

Author: abigailsparling

episodes/10-regular-expressions.md

@@ -7,6 +7,8 @@ exercises: 20
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 - Understand what regular expressions are and how they can support advanced editing in the MarcEditor
+- Bring data and format consistency to fields with varying values by applying edits using a regular expression
+- Select a subset of records to edit based on the values in multiple fields using a regular expression
 
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