[RndTbl] Oh great RE master
sean at ertw.com
Wed May 9 16:05:17 CDT 2007
# echo BUILD-AM005-a | sed 's/[^0-9]//g'
On 5/9/07, Steve Moffat <Steve.Moffat at ca.ibm.com> wrote:
> Hi All;
> I've been trying to write a sed function to return only a numeric portion
> of a string, but can't seem to get it working.
> The input is a single string of letters and numbers, with the numbers
> always consecutive.
> For example: BUILD-AM005-a
> I want to get the 005 out of this string.
> echo BUILD-AM005-a | sed 's/.*\([[:digit:]]\).*/\1/g'
> will return the digit 5. This is good!
> So I add an asterisk to try to match multiple digits like:
> echo BUILD-AM005-a | sed 's/.*\([[:digit:]]*\).*/\1/g'
> and instead of returning 005, it doesn't match anything, so returns
> Can any of you RE maters help me out?
> Steve Moffat
> IBM Global Services
> sjm at ca.ibm.com
> Roundtable mailing list
> Roundtable at muug.mb.ca
Sean Walberg <sean at ertw.com> http://ertw.com/
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Roundtable