Right... This was the kind of workaround for lack of "non greedy" I was thinking of. Wondering what the IBM C++ support for non-greedy (if any) is.
Martin Martin Packer, Mainframe Performance Consultant, zChampion Worldwide Banking Center of Excellence, IBM +44-7802-245-584 email: [email protected] Twitter / Facebook IDs: MartinPacker Blog: https://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker From: Bill Godfrey <[email protected]> To: [email protected], Date: 06/02/2012 16:25 Subject: Re: Regular Expressions (OMVS) Sent by: IBM Mainframe Discussion List <[email protected]> On Mon, 6 Feb 2012 08:44:01 -0600, Ken MacKenzie <[email protected]> wrote: >Hi All, > >I'm not sure if this is the appropriate forum, please point me to the correct one if it's not. > >I'm playing around with regular expressions and I want to achieve the following. I spoke to a Unix geek but he didn't really understand what I was asking. > >Given the following sample data, I want discover only the first occurrence of any string which matches my regexp. >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ > >I tried: awk 'sub(/CD.*QR/,"junkt")' fxdata in an attempt to change QQQQABCDEFGNOPQRXXX to QQQQABjunktXXX but instead, it takes the final occurrence of QR, and returns QQQQABjunktZZZ. Notice the ZZZ on the end instead of XXX. > >This is being driven from a REXX exec in ISPF, if any of the above is not clear, I will try to explain further. > try this: awk 'sub(/CD[^Q]*QR/,"junkt")' or this: sed -e 's/CD[^Q]*QR/junkt/' Bill ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
