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Does Ruby regular expression have a not match operator like “!~” in Perl?
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AFAIK (?!xxx) is supported:
2.1.5 :021 > 'abc1234' =~ /^abc/
=> 0
2.1.5 :022 > 'def1234' =~ /^abc/
=> nil
2.1.5 :023 > 'abc1234' =~ /^(?!abc)/
=> nil
2.1.5 :024 > 'def1234' =~ /^(?!abc)/
=> 0
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...pandas v.0.15
– taras
Oct 11 '14 at 21:31
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Anonymous recursive PHP functions
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– ellabeauty
Aug 14 '12 at 21:31
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@ellabeauty in the time $factorial is passed, it is ...
sqlalchemy flush() and get inserted id?
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answered Feb 22 '11 at 20:21
dpbdpb
2,79222 gold badges1717 silver badges1515 bronze badges
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How to get svn remote repository URL?
...03-01-13 16:43:13 -0600 (Mon, 13 Jan 2003)
Text Last Updated: 2003-01-16 21:18:16 -0600 (Thu, 16 Jan 2003)
Properties Last Updated: 2003-01-13 21:50:19 -0600 (Mon, 13 Jan 2003)
Checksum: d6aeb60b0662ccceb6bce4bac344cb66
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Strangest language feature
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edited Sep 21 '10 at 10:21
community wiki
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
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edited Dec 21 '16 at 0:33
answered Mar 13 '12 at 19:48
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Changing case in Vim
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answered May 31 '10 at 21:34
Mark RushakoffMark Rushakoff
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Can I use multiple “with”?
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answered Mar 21 '11 at 9:21
Tomek SzpakowiczTomek Szpakowicz
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
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Sanjay ChanSanjay Chan
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