[Tcl-bugs] [ tcl-Bugs-471101 ] RE \A and ^ don't replace the same

[<no...@so...>]

Bugs item #471101, was opened at 2001-10-14 13:02
You can respond by visiting: 
http://sourceforge.net/tracker/?func=detail&atid=110894&aid=471101&group_id=10894

Category: 41. Regexp
Group: 8.3.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Jeffrey Hobbs (hobbs)
Assigned to: Nobody/Anonymous (nobody)
Summary: RE \A and ^ don't replace the same

Initial Comment:
When no options are specified, \A and ^ should be the 
same, but they don't seem to behave the same:

(hobbs) 79 % regsub -all {\Aa} {aabbcc} {b} r
2
(hobbs) 80 % set r
bbbbcc
(hobbs) 81 % regsub -all {^a} {aabbcc} {b} r
1
(hobbs) 82 % set r
babbcc

whereas \Z seems OK:

(hobbs) 83 % regsub -all {(\Aa|c\Z)} {aabbcc} {b} r
3
(hobbs) 84 % set r
bbbbcb
(hobbs) 85 % regsub -all {(^a|c$)} {aabbcc} {b} r
2
(hobbs) 86 % set r
babbcb


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http://sourceforge.net/tracker/?func=detail&atid=110894&aid=471101&group_id=10894