How to extract "information" from "ccccccccaaabbbbaaaabbinformationabcaaaaaabbbbbbbccbb" in tcl using a single command?
Submitted by: Administrator% set
a "ccccccccaaabbbbaaaabbinformationabcaaaaaabbbbbbbccbb"
ccccccccaaabbbbaaaabbinformationabcaaaaaabbbbbbbccbb
% set b [string trimleft $a "abc"]
informationabcaaaaaabbbbbbbccbb
% set c [string trimright $b "abc"]
information
OR..
% set output [string trimright [string trimleft
$a "abc"] "abc"]
information
%
Submitted by: Administrator
a "ccccccccaaabbbbaaaabbinformationabcaaaaaabbbbbbbccbb"
ccccccccaaabbbbaaaabbinformationabcaaaaaabbbbbbbccbb
% set b [string trimleft $a "abc"]
informationabcaaaaaabbbbbbbccbb
% set c [string trimright $b "abc"]
information
OR..
% set output [string trimright [string trimleft
$a "abc"] "abc"]
information
%
Submitted by: Administrator
or
string trim $a abc
Submitted by: Nivya
string trim $a abc
Submitted by: Nivya
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