>Number:         23810
>Category:       bin
>Synopsis:       expr fails to recognize null string
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Dec 21 02:28:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     VaX#n8
>Release:        NetBSD 1.5.1
>Organization:
	
>Environment:
	

>Description:
	

$ expr '' : '^$' > /dev/null && echo hi
$ echo $?
1

>How-To-Repeat:
	
>Fix:
	

expr x'$value' : '^x$'
>Release-Note:
>Audit-Trail:
>Unformatted: