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Backtracking control (:) needs a better example #629

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AlexDaniel opened this issue Jun 23, 2016 · 2 comments
Closed

Backtracking control (:) needs a better example #629

AlexDaniel opened this issue Jun 23, 2016 · 2 comments
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docs Documentation issue (primary issue type)

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@AlexDaniel
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https://doc.perl6.org/language/regexes#Preventing_backtracking%3A_%3A

    say so 'abababa' ~~ /a .* aba/   # True
    say so 'abababa' ~~ /a .*: aba/  # False

Why would anybody want to write .*:? We need a better example.
@AlexDaniel AlexDaniel added the docs Documentation issue (primary issue type) label Jun 23, 2016
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JJ commented Mar 24, 2018

Why would anyone want to match abababa? That's why I introduced #1748
We do need a better example

@JJ JJ added the JJ TPF Grant label May 2, 2018
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JJ commented May 2, 2018

Some info on backtracking

@JJ JJ removed the JJ TPF Grant label May 14, 2018
@JJ JJ closed this as completed in 4c75cd9 May 31, 2018
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