59 lines
No EOL
5.7 KiB
HTML
59 lines
No EOL
5.7 KiB
HTML
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<title>CLiki: cl-irregsexp</title>
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<span class="hidden">CLiki - cl-irregsexp</span>
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<div id="content"><div id="content-area"><div id="article-title">cl-irregsexp</div><div id="article">A fast regular expression library with a lispy alternative to traditional syntax for text matching.<p>The current syntax: instead of writing
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<div class="code"><span class="nonparen"><span class="paren1">(<span class="nonparen">register-groups-bind <span class="paren2">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/syscla_method.html" class="symbol">method</a> url version-major version-minor</span>)</span>
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<span class="paren2">(<span class="nonparen"><span class="string">"(</span><span class="string">\\</span><span class="string">S+)</span><span class="string">\\</span><span class="string">s+(</span><span class="string">\\</span><span class="string">S+)</span><span class="string">\\</span><span class="string">s+HTTP/<!-- -->(</span><span class="string">\\</span><span class="string">d+).(</span><span class="string">\\</span><span class="string">d+)$"</span> line</span>)</span>
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...</span>)</span></span></div>
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write
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<div class="code"><span class="nonparen"><span class="paren1">(<span class="nonparen">match-bind <span class="paren2">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/syscla_method.html" class="symbol">method</a> <span class="paren3">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/any_pl.html" class="symbol">+</a> <span class="paren4">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/dec_optimize.html" class="symbol">space</a></span>)</span></span>)</span> url <span class="paren3">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/any_pl.html" class="symbol">+</a> <span class="paren4">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/dec_optimize.html" class="symbol">space</a></span>)</span></span>)</span> <span class="string">"HTTP/"</span> <span class="paren3">(<span class="nonparen">version-major <span class="paren4">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/syscla_integer.html" class="symbol">integer</a></span>)</span></span>)</span> <span class="string">"."</span> <span class="paren3">(<span class="nonparen">version-minor <span class="paren4">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/syscla_integer.html" class="symbol">integer</a></span>)</span></span>)</span> <span class="paren3">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/fun_last.html" class="symbol">last</a></span>)</span></span>)</span>
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line
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...</span>)</span></span></div>
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Which might be clearer and doesn't involve mentioning the captured variables twice.<p><a href="cl-ppcre.html" class="internal">cl-ppcre</a> also has a similar sexpy alternative for its regular expressions called <a href="terse-ppcre.html" class="internal">terse-ppcre</a><p>Homepage: <a href="http://common-lisp.net/project/cl-irregsexp/">at common-lisp.net</a><p>License: Not specified<p>Topics: <a href="regular expression.html" class="category">regular expression</a></div></div>
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