PHPerさんへ $regexp = '@^(?:(?:(?:(?:[a-zA-Z0-9_!#\$\%&\'*+/=?\^`{}~|\-]+)(?:\.(?:[a-zA-Z0-9_!#\$\%&\'*+/=?\^`{}~|\-]+))*)|(?:"(?:\\[^\r\n]|[^\\"])*")))\\@(?:(?:(?:(?:[a-zA-Z0-9_!#\$\%&\'*+/=?\^`{}~|\-]+)(?:\.(?:[a-zA-Z0-9_!#\$\%&\'*+/=?\^`{}~|\-]+))*)|(?:\[(?:\\\S|[\x21-\x5a\x5e-\x7e])*\])))$@';

tohokuaiki のブックマーク 2009/03/19 20:26

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/12595072/comment/tohokuaiki" data-user-id="tohokuaiki" data-entry-url="https://b.hatena.ne.jp/entry/s/dankogai.livedoor.blog/archives/51189905.html" data-original-href="https://dankogai.livedoor.blog/archives/51189905.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fdankogai.livedoor.blog%2Farchives%2F51189905.html" data-user-icon="/users/tohokuaiki/profile.png">「PHP使いはもう正規表現をblogに書くな」と言わせないでくれ : 404 Blog Not Found</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/%E6%AD%A3%E8%A6%8F%E8%A1%A8%E7%8F%BE">正規表現</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/php">php</a>]</li></ul><br><p style="clear: left">PHPerさんへ $regexp = '@^(?:(?:(?:(?:[a-zA-Z0-9_!#\$\%&amp;\'*+/=?\^`{}~|\-]+)(?:\.(?:[a-zA-Z0-9_!#\$\%&amp;\'*+/=?\^`{}~|\-]+))*)|(?:&quot;(?:\\[^\r\n]|[^\\&quot;])*&quot;)))\\@(?:(?:(?:(?:[a-zA-Z0-9_!#\$\%&amp;\'*+/=?\^`{}~|\-]+)(?:\.(?:[a-zA-Z0-9_!#\$\%&amp;\'*+/=?\^`{}~|\-]+))*)|(?:\[(?:\\\S|[\x21-\x5a\x5e-\x7e])*\])))$@';</p><a class="datetime" href="https://b.hatena.ne.jp/tohokuaiki/20090319#bookmark-12595072"><span class="datetime-body">2009/03/19 20:26</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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