Add two blank spaces after "=245" and before the remainder. That should signal a MARC tag and not an embedded string within a URL. -- Mark K. Ehlert Alma: NA02 Cataloging and Metadata Librarian Primo: MT NA01 O'Shaughnessy-Frey Library, University of St. Thomas <http://secure-web.cisco.com/13riU-EgxOFGmt6mR6kROvx7HyFlecQPkURy6jjZHVRflqKCZ-4sQha5w9J0KRqKtU8osvyElkGmu52iZURz0sJmG_wKfiY5jM5Sf-u7Uo2PpWs61cUXZZXVITHxZchVFZ23uG5Jzj5UGRUhSBLVkyvqR-_i-P8ErGACzjIi46LOV09apJY7UHZQGO0OkW-OZ0gongNJyyYH7szN91pnmZ5NKLImSO375mNde9T2TcRLohT5y61qimWlllLqa-hMmoh3iwiUUNsHSoAN6CLFNC8fNexSETvREshggJqu2KCGl9QLtYoz19e7gH8YNDLtyNTMjdvxMHR4AzKLmxst2uIY3JUFX2c1oH2GWiSv2LkMJzI1dsCXqiVrJY1QZ6GenURo3wlzpwWT_L5OLRLIN7qFu8laNxUiIAoCuG8_sxQK_CgjwnZzDC7i9gdXXYqTW3BmiuRqKM27fb2HZqZ6_tg/http%3A%2F%2Fwww.stthomas.edu%2Flibraries%2F> "Experience is by industry achieved // And perfected by the swift course of time"--Shakespeare, "Two Gentlemen of Verona," Act I, Scene iii > -----Original Message----- > From: MarcEdit support in technical and instructional matters <MARCEDIT- > [log in to unmask]> On Behalf Of Seth McQuale > Sent: Thursday, May 14, 2020 9:40 AM > To: [log in to unmask] > Subject: [External] Re: [MARCEDIT-L] regular expression help needed > > A potential problem I've encountered with expressions like: > > Find: (=245.*)(\.)(\$c.*) > > ...is the possibility that there very likely could be a "=245" inside an 856 field, > and the replacement command could wind up editing, say, an ebook's URL. > I realize the caret negates, but there must be some way to use the caret as > the necessary start-of-string character here (I left my regex book at work). > > > ---------------------------- > Seth McQuale, MSLIS > Systems Librarian > New York Institute of Technology > Wisser Memorial Library, Room 112 > Old Westbury, NY 11568-8000 > [log in to unmask] > (516) 686-1164 [fax (516) 686-1320] > ---------------------------- ________________________________________________________________________ This message comes to you via MARCEDIT-L, a Listserv(R) list for technical and instructional support in MarcEdit. If you wish to communicate directly with the list owners, write to [log in to unmask] To unsubscribe, send a message "SIGNOFF MARCEDIT-L" to [log in to unmask]