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id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciale:MieDiscussioni" title="Discussioni sulle modifiche fatte da questo indirizzo IP [n]" accesskey="n"><span>discussioni</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sito"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Modulo</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">IP validator</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 11 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-11" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">11 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - corso" lang="co" hreflang="co" data-title="Modulo:IP validator" data-language-autonym="Corsu" data-language-local-name="corso" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/M%C3%B2dul:IP_validator" title="M貌dul:IP validator - Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="M貌dul:IP validator" data-language-autonym="Emili脿n e rumagn貌l" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emili脿n e rumagn貌l</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - friulano" lang="fur" hreflang="fur" data-title="Modulo:IP validator" data-language-autonym="Furlan" data-language-local-name="friulano" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - ligure" lang="lij" hreflang="lij" data-title="Modulo:IP validator" data-language-autonym="Ligure" data-language-local-name="ligure" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - Ladin" lang="lld" hreflang="lld" data-title="Modulo:IP validator" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/M%C3%B2dul:IP_validator" title="M貌dul:IP validator - lombardo" lang="lmo" hreflang="lmo" data-title="M貌dul:IP validator" data-language-autonym="Lombard" data-language-local-name="lombardo" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-nap mw-list-item"><a href="https://nap.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - napoletano" lang="nap" hreflang="nap" data-title="Modulo:IP validator" data-language-autonym="Napulitano" data-language-local-name="napoletano" class="interlanguage-link-target"><span>Napulitano</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - piemontese" lang="pms" hreflang="pms" data-title="Modulo:IP validator" data-language-autonym="Piemont猫is" data-language-local-name="piemontese" class="interlanguage-link-target"><span>Piemont猫is</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/Modulo:IP_validator" title="Modulo:IP validator - Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="Modulo:IP validator" data-language-autonym="Tarand铆ne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarand铆ne</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Module:IP_validator" 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class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r119428182">.mw-parser-output .avviso-man{margin:0.5em 0;text-align:center}</style><div class="toccolours plainlinks avviso-man"> <span typeof="mw:File"><a href="/wiki/File:Lua-Logo.svg" class="mw-file-description" title="Info"><img alt="Info" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/30px-Lua-Logo.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/45px-Lua-Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/60px-Lua-Logo.svg.png 2x" data-file-width="947" data-file-height="947" /></a></span> <span style="font-size:larger"><b>Istruzioni per l'uso</b></span><br /><small>Questo 猫 un <a href="/wiki/Wikipedia:Modulo" class="mw-redirect" title="Wikipedia:Modulo">modulo</a> scritto in <a href="/wiki/Lua" title="Lua">Lua</a>. Le istruzioni che seguono sono contenute nella <a href="/wiki/Aiuto:Sottopagina" title="Aiuto:Sottopagina">sottopagina</a> <a href="/wiki/Modulo:IP_validator/man" title="Modulo:IP validator/man">Modulo:IP validator/man</a> (<a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/man&action=edit">modifica</a><b> 路</b> <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/man&action=history">cronologia</a>) <br /> Sandbox: <a href="/w/index.php?title=Modulo:IP_validator/sandbox&action=edit&redlink=1" class="new" title="Modulo:IP validator/sandbox (la pagina non esiste)">Modulo:IP validator/sandbox</a> (<a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/sandbox&action=edit">modifica</a><b> 路</b> <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/sandbox&action=history">cronologia</a>)<b> 路</b> Sottopagine: <a href="/wiki/Speciale:Prefissi/Modulo:IP_validator/" title="Speciale:Prefissi/Modulo:IP validator/">lista</a><b> 路</b> Test: <a href="/wiki/Modulo:IP_validator/test" title="Modulo:IP validator/test">Modulo:IP validator/test</a> (<a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/test&action=edit">modifica</a><b> 路</b> <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Modulo:IP_validator/test&action=history">cronologia</a><b> 路</b> <a href="/wiki/Discussioni_modulo:IP_validator/test" title="Discussioni modulo:IP validator/test">Esegui</a>)</small></div> <p>Modulo per verificare se una data stringa rappresenta un <a href="/wiki/Indirizzo_IP" title="Indirizzo IP">indirizzo IP</a> valido. Il template corrispondente 猫 <a href="/wiki/Template:IP%3F" title="Template:IP?">Template:IP?</a>. </p><p>Le funzioni disponibili sono <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ipv4</code>, <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ipv6</code> e <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ip</code> da usare per convalidare, rispettivamente, secondo lo standard <a href="/wiki/IPv4" title="IPv4">IPv4</a>, <a href="/wiki/IPv6" title="IPv6">IPv6</a> o uno dei due indistintamente. Non 猫 prevista la convalida di <a href="/wiki/IPv4-mapped_address" title="IPv4-mapped address">IPv4-mapped address</a> n茅 di <a href="/wiki/IPv4-compatible_address" title="IPv4-compatible address">IPv4-compatible address</a>. </p><p>Di seguito alcuni esempi d'uso: </p> <table class="wikitable"> <tbody><tr> <th>Funzione </th> <th>Stringa da analizzare </th> <th>Codice da usare </th> <th>Risultato </th></tr> <tr> <td rowspan="5"><code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ipv4</code> </td> <td>0.0.0.0 </td> <td>{{#invoke:IP validator|is_ipv4|0.0.0.0}} </td> <td>1 </td></tr> <tr> <td>93.2.50.255 </td> <td>{{#invoke:IP validator|is_ipv4|93.2.50.255}} </td> <td>1 </td></tr> <tr> <td>93.2.50.256 </td> <td>{{#invoke:IP validator|is_ipv4|93.2.50.256}} </td> <td> </td></tr> <tr> <td>93.2.50 </td> <td>{{#invoke:IP validator|is_ipv4|93.2.50}} </td> <td> </td></tr> <tr> <td>A.2.50.255 </td> <td>{{#invoke:IP validator|is_ipv4|A.2.50.255}} </td> <td> </td></tr> <tr> <td rowspan="7"><code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ipv6</code> </td> <td>2001:13:A1B:90F:512:FFFF:88:AF3 </td> <td>{{#invoke:IP validator|is_ipv6|2001:13:A1B:90F:512:FFFF:88:AF3}} </td> <td>1 </td></tr> <tr> <td>4:4:4:4:4:4:4:4 </td> <td>{{#invoke:IP validator|is_ipv6|4:4:4:4:4:4:4:4}} </td> <td>1 </td></tr> <tr> <td>2001:13:A1B::FFFF:AF3 </td> <td>{{#invoke:IP validator|is_ipv6|2001:13:A1B::FFFF:AF3}} </td> <td>1 </td></tr> <tr> <td>2001:13:A1B:90F::FFFF:88:AF3 </td> <td>{{#invoke:IP validator|is_ipv6|2001:13:A1B:90F::FFFF:88:AF3}} </td> <td> </td></tr> <tr> <td>2001::90F::FFFF:88:AF3 </td> <td>{{#invoke:IP validator|is_ipv6|2001::90F::FFFF:88:AF3}} </td> <td> </td></tr> <tr> <td>2001:13:A1B:90F:512:FFFF:88 </td> <td>{{#invoke:IP validator|is_ipv6|2001:13:A1B:90F:512:FFFF:88}} </td> <td> </td></tr> <tr> <td>2001.13.A1B.90F.512.FFFF.88.AF3 </td> <td>{{#invoke:IP validator|is_ipv6|2001.13.A1B.90F.512.FFFF.88.AF3}} </td> <td> </td></tr> <tr> <td rowspan="4"><code class="mw-highlight mw-highlight-lang-text mw-content-ltr" dir="ltr">is_ip</code> </td> <td>1.2.3.4 </td> <td>{{#invoke:IP validator|is_ip|1.2.3.4}} </td> <td>1 </td></tr> <tr> <td>2001:13:A1B:90F:512:FFFF:88:AF3 </td> <td>{{#invoke:IP validator|is_ip|2001:13:A1B:90F:512:FFFF:88:AF3}} </td> <td>1 </td></tr> <tr> <td>4:4:4:4 </td> <td>{{#invoke:IP validator|is_ip|4:4:4:4}} </td> <td> </td></tr> <tr> <td>test </td> <td>{{#invoke:IP validator|is_ip|test}} </td> <td> </td></tr></tbody></table> <table class="noprint" style="width:100%;"> <tbody><tr> <td style="padding-right:3px;" width="50%"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}</style><div class="itwiki-template-occhiello itwiki-template-occhiello-progetto"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Computer_n_screen.svg" class="mw-file-description" title="informatica"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/24px-Computer_n_screen.svg.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/37px-Computer_n_screen.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/Computer_n_screen.svg/48px-Computer_n_screen.svg.png 2x" data-file-width="119" data-file-height="123" /></a></span> <b><a href="/wiki/Progetto:Informatica" title="Progetto:Informatica">Progetto Informatica</a></b></div></td> <td style="padding-left:3px;" width="50%"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r140555418"><div class="itwiki-template-occhiello itwiki-template-occhiello-progetto"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Curly_Brackets.svg" class="mw-file-description" title="template"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Curly_Brackets.svg/25px-Curly_Brackets.svg.png" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Curly_Brackets.svg/38px-Curly_Brackets.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Curly_Brackets.svg/50px-Curly_Brackets.svg.png 2x" data-file-width="740" data-file-height="560" /></a></span> <b><a href="/wiki/Progetto:Template" class="mw-redirect" title="Progetto:Template">Progetto Template</a></b></div></td> </tr> </tbody></table> <hr /><div class="mw-highlight mw-highlight-lang-lua mw-content-ltr mw-highlight-lines" dir="ltr"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos" data-line="1"></span></a><span class="cm">--[[</span> </span><span id="L-2"><a href="#L-2"><span class="linenos" data-line="2"></span></a><span class="cm">* Questo modulo serve per validare un indirizzo IP.</span> </span><span id="L-3"><a href="#L-3"><span class="linenos" data-line="3"></span></a><span class="cm">* 脠 necessario un algoritmo iterativo in quanto le espressioni regolari di Lua non sono sufficientemente espressive.</span> </span><span id="L-4"><a href="#L-4"><span class="linenos" data-line="4"></span></a><span class="cm">]]</span> </span><span id="L-5"><a href="#L-5"><span class="linenos" data-line="5"></span></a><span class="kd">local</span> <span class="n">p</span> <span class="o">=</span> <span class="p">{}</span> </span><span id="L-6"><a href="#L-6"><span class="linenos" data-line="6"></span></a> </span><span id="L-7"><a href="#L-7"><span class="linenos" data-line="7"></span></a><span class="c1">-- =============================================================================</span> </span><span id="L-8"><a href="#L-8"><span class="linenos" data-line="8"></span></a><span class="c1">-- Funzioni per moduli</span> </span><span id="L-9"><a href="#L-9"><span class="linenos" data-line="9"></span></a><span class="c1">-- =============================================================================</span> </span><span id="L-10"><a href="#L-10"><span class="linenos" data-line="10"></span></a> </span><span id="L-11"><a href="#L-11"><span class="linenos" data-line="11"></span></a><span class="c1">-- Questa funzione ritorna '1' se la stringa in input corrisponde allo standard IPv4, altrimenti un valore nullo.</span> </span><span id="L-12"><a href="#L-12"><span class="linenos" data-line="12"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">_is_ipv4</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> </span><span id="L-13"><a href="#L-13"><span class="linenos" data-line="13"></span></a> <span class="n">s</span> <span class="o">=</span> <span class="n">s</span><span class="p">:</span><span class="n">gsub</span><span class="p">(</span><span class="s2">"/[0-9]$"</span><span class="p">,</span> <span class="s2">""</span><span class="p">):</span><span class="n">gsub</span><span class="p">(</span><span class="s2">"/[12][0-9]$"</span><span class="p">,</span> <span class="s2">""</span><span class="p">):</span><span class="n">gsub</span><span class="p">(</span><span class="s2">"/[3][0-2]$"</span><span class="p">,</span> <span class="s2">""</span><span class="p">)</span> </span><span id="L-14"><a href="#L-14"><span class="linenos" data-line="14"></span></a> </span><span id="L-15"><a href="#L-15"><span class="linenos" data-line="15"></span></a> <span class="kr">if</span> <span class="ow">not</span> <span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^%d+%.%d+%.%d+%.%d+$"</span><span class="p">)</span> <span class="kr">then</span> </span><span id="L-16"><a href="#L-16"><span class="linenos" data-line="16"></span></a> <span class="kr">return</span> <span class="kc">nil</span> </span><span id="L-17"><a href="#L-17"><span class="linenos" data-line="17"></span></a> <span class="kr">end</span> </span><span id="L-18"><a href="#L-18"><span class="linenos" data-line="18"></span></a> </span><span id="L-19"><a href="#L-19"><span class="linenos" data-line="19"></span></a> <span class="kr">for</span> <span class="n">substr</span> <span class="kr">in</span> <span class="n">s</span><span class="p">:</span><span class="n">gmatch</span><span class="p">(</span><span class="s2">"(%d+)"</span><span class="p">)</span> <span class="kr">do</span> </span><span id="L-20"><a href="#L-20"><span class="linenos" data-line="20"></span></a> <span class="kr">if</span> <span class="ow">not</span> <span class="n">substr</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^[1-9]?[0-9]$"</span><span class="p">)</span> </span><span id="L-21"><a href="#L-21"><span class="linenos" data-line="21"></span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">substr</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^1[0-9][0-9]$"</span><span class="p">)</span> </span><span id="L-22"><a href="#L-22"><span class="linenos" data-line="22"></span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">substr</span><span class="p">:</span><span class="n">find</span><span class="p">(</span> <span class="s2">"^2[0-4][0-9]$"</span><span class="p">)</span> </span><span id="L-23"><a href="#L-23"><span class="linenos" data-line="23"></span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">substr</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^25[0-5]$"</span><span class="p">)</span> <span class="kr">then</span> </span><span id="L-24"><a href="#L-24"><span class="linenos" data-line="24"></span></a> <span class="kr">return</span> <span class="kc">nil</span> </span><span id="L-25"><a href="#L-25"><span class="linenos" data-line="25"></span></a> <span class="kr">end</span> </span><span id="L-26"><a href="#L-26"><span class="linenos" data-line="26"></span></a> <span class="kr">end</span> </span><span id="L-27"><a href="#L-27"><span class="linenos" data-line="27"></span></a> </span><span id="L-28"><a href="#L-28"><span class="linenos" data-line="28"></span></a> <span class="kr">return</span> <span class="s1">'1'</span> </span><span id="L-29"><a href="#L-29"><span class="linenos" data-line="29"></span></a><span class="kr">end</span> </span><span id="L-30"><a href="#L-30"><span class="linenos" data-line="30"></span></a> </span><span id="L-31"><a href="#L-31"><span class="linenos" data-line="31"></span></a><span class="c1">-- Questa funzione ritorna '1' se la stringa in input corrisponde allo standard IPv6, altrimenti un valore nullo.</span> </span><span id="L-32"><a href="#L-32"><span class="linenos" data-line="32"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">_is_ipv6</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> </span><span id="L-33"><a href="#L-33"><span class="linenos" data-line="33"></span></a> <span class="kr">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^%w+:%w+:%w+:%w+:%w+:%w+:%w+:%w+$"</span><span class="p">)</span> <span class="c1">-- caso in cui ci sono esattamente sette ":"</span> </span><span id="L-34"><a href="#L-34"><span class="linenos" data-line="34"></span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^%w*:%w*:%w*:?%w*:?%w*:?%w*:?%w*$"</span><span class="p">)</span> <span class="c1">-- altrimenti devono esserci fra i due e i sei ":"</span> </span><span id="L-35"><a href="#L-35"><span class="linenos" data-line="35"></span></a> <span class="ow">and</span> <span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"::"</span><span class="p">)))</span> <span class="c1">-- e dev'esserci la sottostringa "::"</span> </span><span id="L-36"><a href="#L-36"><span class="linenos" data-line="36"></span></a> <span class="ow">or</span> <span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"::.*::"</span><span class="p">)</span> <span class="c1">-- ma non possono mai esserci due sottostringhe "::"</span> </span><span id="L-37"><a href="#L-37"><span class="linenos" data-line="37"></span></a> <span class="ow">or</span> <span class="n">s</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">":::"</span><span class="p">)</span> <span class="kr">then</span> <span class="c1">-- n茅 una sottostringa ":::"</span> </span><span id="L-38"><a href="#L-38"><span class="linenos" data-line="38"></span></a> <span class="kr">return</span> <span class="kc">nil</span> </span><span id="L-39"><a href="#L-39"><span class="linenos" data-line="39"></span></a> <span class="kr">end</span> </span><span id="L-40"><a href="#L-40"><span class="linenos" data-line="40"></span></a> </span><span id="L-41"><a href="#L-41"><span class="linenos" data-line="41"></span></a> <span class="kr">for</span> <span class="n">substr</span> <span class="kr">in</span> <span class="n">s</span><span class="p">:</span><span class="n">gmatch</span><span class="p">(</span><span class="s2">"(%w+)"</span><span class="p">)</span> <span class="kr">do</span> </span><span id="L-42"><a href="#L-42"><span class="linenos" data-line="42"></span></a> <span class="kr">if</span> <span class="ow">not</span> <span class="n">substr</span><span class="p">:</span><span class="n">find</span><span class="p">(</span><span class="s2">"^[0-9A-Fa-f][0-9A-Fa-f]?[0-9A-Fa-f]?[0-9A-Fa-f]?$"</span><span class="p">)</span> <span class="kr">then</span> </span><span id="L-43"><a href="#L-43"><span class="linenos" data-line="43"></span></a> <span class="kr">return</span> <span class="kc">nil</span> </span><span id="L-44"><a href="#L-44"><span class="linenos" data-line="44"></span></a> <span class="kr">end</span> </span><span id="L-45"><a href="#L-45"><span class="linenos" data-line="45"></span></a> <span class="kr">end</span> </span><span id="L-46"><a href="#L-46"><span class="linenos" data-line="46"></span></a> </span><span id="L-47"><a href="#L-47"><span class="linenos" data-line="47"></span></a> <span class="kr">return</span> <span class="s1">'1'</span> </span><span id="L-48"><a href="#L-48"><span class="linenos" data-line="48"></span></a><span class="kr">end</span> </span><span id="L-49"><a href="#L-49"><span class="linenos" data-line="49"></span></a> </span><span id="L-50"><a href="#L-50"><span class="linenos" data-line="50"></span></a><span class="c1">-- Questa funzione ritorna '1' se la stringa in input corrisponde allo standard IPv4 o IPv6, altrimenti un valore nullo.</span> </span><span id="L-51"><a href="#L-51"><span class="linenos" data-line="51"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">_is_ip</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> </span><span id="L-52"><a href="#L-52"><span class="linenos" data-line="52"></span></a> <span class="kr">return</span> <span class="n">p</span><span class="p">.</span><span class="n">_is_ipv4</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="ow">or</span> <span class="n">p</span><span class="p">.</span><span class="n">_is_ipv6</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> </span><span id="L-53"><a href="#L-53"><span class="linenos" data-line="53"></span></a><span class="kr">end</span> </span><span id="L-54"><a href="#L-54"><span class="linenos" data-line="54"></span></a> </span><span id="L-55"><a href="#L-55"><span class="linenos" data-line="55"></span></a><span class="c1">-- =============================================================================</span> </span><span id="L-56"><a href="#L-56"><span class="linenos" data-line="56"></span></a><span class="c1">-- Funzioni per template</span> </span><span id="L-57"><a href="#L-57"><span class="linenos" data-line="57"></span></a><span class="c1">-- =============================================================================</span> </span><span id="L-58"><a href="#L-58"><span class="linenos" data-line="58"></span></a> </span><span id="L-59"><a href="#L-59"><span class="linenos" data-line="59"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">is_ipv4</span><span class="p">(</span><span class="n">frame</span><span class="p">)</span> <span class="kr">return</span> <span class="n">p</span><span class="p">.</span><span class="n">_is_ipv4</span><span class="p">(</span><span class="n">frame</span><span class="p">.</span><span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="ow">or</span> <span class="s1">''</span><span class="p">)</span> <span class="kr">end</span> <span class="c1">--Uso: {{#invoke:IP validator|is_ipv4|stringa}}</span> </span><span id="L-60"><a href="#L-60"><span class="linenos" data-line="60"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">is_ipv6</span><span class="p">(</span><span class="n">frame</span><span class="p">)</span> <span class="kr">return</span> <span class="n">p</span><span class="p">.</span><span class="n">_is_ipv6</span><span class="p">(</span><span class="n">frame</span><span class="p">.</span><span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="ow">or</span> <span class="s1">''</span><span class="p">)</span> <span class="kr">end</span> <span class="c1">--Uso: {{#invoke:IP validator|is_ipv6|stringa}}</span> </span><span id="L-61"><a href="#L-61"><span class="linenos" data-line="61"></span></a><span class="kr">function</span> <span class="nc">p</span><span class="p">.</span><span class="nf">is_ip</span> <span class="p">(</span><span class="n">frame</span><span class="p">)</span> <span class="kr">return</span> <span class="n">p</span><span class="p">.</span><span class="n">_is_ip</span> <span class="p">(</span><span class="n">frame</span><span class="p">.</span><span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="ow">or</span> <span class="s1">''</span><span class="p">)</span> <span class="kr">end</span> <span class="c1">--Uso: {{#invoke:IP validator|is_ip|stringa}}</span> </span><span id="L-62"><a href="#L-62"><span class="linenos" data-line="62"></span></a> </span><span id="L-63"><a href="#L-63"><span class="linenos" data-line="63"></span></a><span class="kr">return</span> <span class="n">p</span> </span></pre></div>   </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: 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