Is lookbehind and lookaround concept avail in TCL regex engine?

Question

Is lookbehind and lookaround concept avail in TCL regex engine?

I came across this page, i didn't see any concept and example about lookbehind and lookaround, even when i execute sample program with lookbehind and lookaround concept where i am not getting any match as well.

score 2 · Answer 1 · answered Jan 30 '14 at 08:55

2

Yes to lookahead, no to lookbehind, according to RegexBuddy, if you're using Tcl ARE (Advanced Regular Expressions).

See also http://www.regular-expressions.info/refadv.html and check the "Tcl ARE" dropdown.

answered Jan 30 '14 at 08:55

Tim Pietzcker

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Thanks for you answer, and the given URL also seems like better and helpful thanks a lot.. – velpandian Jan 30 '14 at 09:06
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And also according to the Tcl manual: http://www.tcl.tk/man/tcl/TclCmd/re_syntax.htm – Jackson Jan 30 '14 at 09:07

Is lookbehind and lookaround concept avail in TCL regex engine?

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