Rev 6 | Go to most recent revision | Details | Last modification | View Log | RSS feed
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| 2 | daniel-mar | 1 | <!DOCTYPE html> |
| 2 | <html lang="en"> |
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| 3 | <head> |
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| 4 | <title>OID repository - Search - Regexp</title> |
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| 5 | <meta charset="UTF-8"><!-- <meta content="text/html; charset=iso-8859-1" http-equiv="content-type"> --> |
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| 6 | <meta name="google-translate-customization" content="ae799a386ca63905-075d0f84d2caa8b0-g8dbf29cdfe9cdbeb-c"> |
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| 7 | <link rel="Stylesheet" type="text/css" href="style.css"> |
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| 8 | <meta name="viewport" content="width=device-width, initial-scale=1"> |
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| 9 | <meta name="DESCRIPTION" content="This OID repository gathers information about Object Identifiers (OIDs), and provides tools to display and search for this information."> |
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| 10 | <meta name="keywords" content="object identifier oid OID repository registration authority ISO ITU"> |
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| 11 | <link rel="SHORTCUT ICON" href="/images/favicon.ico"> |
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| 12 | <script src="scripts.js"></script> |
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| 13 | </head> |
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| 14 | <body id="body" onload="_onload()"> |
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| 15 | <div id="global_container"> |
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| 16 | <div id="header"> |
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| 17 | <a href="index.htm"> |
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| 18 | <img src="images/treewall.jpg" width="130" height="110"> |
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| 19 | </a> |
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| 20 | <h1 style="color: rgb(226, 137, 34);font-size: 35px; font-weight:bold;">OID Repository</h1><br><br><br><br> |
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| 21 | <div id="header_url_and_menu"> |
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| 22 | <div id="header_url"> |
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| 23 | <span style="color: rgb(226, 137, 34);font-size: 15px; font-weight:bold; margin-left:10px; display:inline-block;">www.oid-info.com</span> |
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| 24 | </div> |
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| 25 | <div id="header_url_right"> |
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| 26 | <ul id="header_menu"> |
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| 27 | <li><a href="index.htm">Home</a></li> |
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| 28 | <li><a href="/cgi-bin/display?tree=">Tree display</a></li> |
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| 29 | <li><a href="basic-search.htm">Search</a></li> |
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| 30 | <li><a href="faq.htm">FAQ</a></li> |
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| 31 | <li><a href="/helper">Helper</a></li> |
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| 32 | </ul> |
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| 33 | </div> |
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| 34 | </div> |
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| 35 | <div style="top: 11px; left: 694px; margin-left:-120px;" id="search"> |
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| 36 | <span style="color: rgb(226, 137, 34); font-family: Arial, Helvetica, sans-serif; font-size: 14px; font-weight: bold;">Display OID:</span> <br> |
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| 37 | <form name="form_go" method="get" action="/cgi-bin/display" enctype="multipart/form-data"> |
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| 38 | <input type="hidden" name="action" value="display"> |
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| 39 | <input name="oid" size="20" value="" onfocus="empty();" placeholder="-- OID --" type="text"> <input value="Go" type="submit"> |
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| 40 | </form> |
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| 41 | </div> |
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| 42 | <div id="google_translate"> |
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| 43 | <script> |
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| 44 | function googleTranslateElementInit() { |
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| 45 | new google.translate.TranslateElement({ pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE, gaTrack: true, gaId: 'UA-33779649-1' }, 'google_translate_element'); |
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| 46 | } |
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| 47 | </script> |
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| 48 | <!--<script src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"> |
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| 49 | </script>--> |
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| 50 | </div> |
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| 51 | </div> |
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| 52 | </div> |
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| 53 | <div id="mobile_version"> |
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| 54 | <aside class="sidebar"> |
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| 55 | <nav id="navigation" role="navigation"> |
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| 56 | <form name="form_go" method="get" action="/cgi-bin/display" enctype="multipart/form-data"> |
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| 57 | <a><input name="oid" id="searchbox_mobile" size="35" value="" onfocus="empty();" placeholder="-- Display OID --" type="search"></a> |
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| 58 | </form> |
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| 59 | <a href="index.htm">Home</a> |
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| 60 | <a href="/cgi-bin/display?tree=">Tree display</a> |
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| 61 | <a href="basic-search.htm">Search</a> |
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| 62 | <a href="faq.htm">FAQ</a> |
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| 63 | <a href="/helper">Chatbot helper</a> |
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| 64 | </nav> |
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| 65 | </aside> |
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| 66 | </div> |
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| 67 | <div class="wrapper"> |
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| 68 | <table width="100%" id="header_mobile"> |
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| 69 | <tr> |
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| 70 | <td width="20%"> |
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| 71 | <a href="#body" class="nav-button-open" aria-label="open navigation"></a> |
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| 72 | <a href="#" class="nav-button-close" aria-label="close navigation"></a> |
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| 73 | </td> |
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| 74 | <td width="60%" valign="middle"> |
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| 75 | <h1 style="color: rgb(226, 137, 34);font-size: 18px; font-weight:bold; text-align:right;">OID Repository</h1> |
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| 76 | <div id="header_url"> |
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| 77 | <span style="color: rgb(226, 137, 34);font-size: 15px; font-weight:bold; margin-left:10px; display:inline-block;">www.oid-info.com</span> |
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| 78 | </div> |
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| 79 | </td> |
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| 80 | <td width="20%"><a href="index.htm"><img src="images/treewall.jpg" style="height:10vh;width:auto"></a></td> |
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| 81 | </tr> |
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| 82 | </table> |
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| 83 | |||
| 84 | <div id="global_content"> |
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| 85 | <div id="reg_in_regexp"> |
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| 86 | |||
| 87 | <table cellspacing="0" cellpadding="0" border="0" width="100%"> |
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| 88 | <tr> |
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| 89 | <td height="6%" valign="top" width="100%"> |
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| 90 | <span class="page_title"> |
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| 91 | Regular expressions |
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| 92 | </span> |
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| 93 | </td> |
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| 94 | </tr> |
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| 95 | </table><br><a name="introduction"></a> |
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| 96 | <table cellspacing="0" cellpadding="0" border="0" width="100%"> |
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| 97 | <tr> |
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| 98 | <td height="8%" valign="middle" width="100%"><span class="section_title">Introduction</span></td> |
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| 99 | </tr> |
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| 100 | </table> |
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| 101 | <table cellspacing="0" cellpadding="0" border="0" width="100%"> |
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| 102 | <tr> |
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| 103 | <td valign="top" width="100%"> |
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| 104 | |||
| 105 | <p> |
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| 106 | A regular expression is a character sequence that is an abbreviated |
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| 107 | definition of a set of strings. A string is said to match a regular |
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| 108 | expression if it is a member of the set described by the regular expression. |
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| 109 | </p> |
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| 110 | <p> |
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| 111 | A regular expression is allowed to match anywhere within a string, |
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| 112 | unless the regular expression is explicitly anchored to the beginning |
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| 113 | or end of the string (by using operators <code>^</code> and/or <code>$</code>). |
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| 114 | </p> |
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| 115 | |||
| 116 | </td> |
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| 117 | |||
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| 119 | |||
| 120 | <td width="3%" valign="top"> </td> |
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| 121 | |||
| 122 | |||
| 123 | |||
| 124 | <td width="20%"> </td> |
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| 125 | |||
| 126 | |||
| 127 | |||
| 128 | </tr> |
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| 129 | |||
| 130 | |||
| 131 | |||
| 132 | </table> |
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| 133 | |||
| 134 | <a name="syntax"></a> |
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| 135 | <table cellspacing="0" cellpadding="0" border="0" width="100%"> |
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| 136 | |||
| 137 | |||
| 138 | |||
| 139 | <tr> |
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| 140 | |||
| 141 | |||
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| 143 | |||
| 144 | |||
| 145 | |||
| 146 | <td height="8%" valign="middle" width="100%"><span class="section_title">Syntax</span></td> |
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| 147 | |||
| 148 | |||
| 149 | |||
| 150 | |||
| 151 | |||
| 152 | </tr> |
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| 153 | |||
| 154 | |||
| 155 | |||
| 156 | </table> |
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| 157 | |||
| 158 | |||
| 159 | |||
| 160 | <table cellspacing="0" cellpadding="0" border="0" width="100%"> |
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| 161 | |||
| 162 | |||
| 163 | |||
| 164 | <tr> |
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| 165 | |||
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| 170 | |||
| 171 | <td valign="top" width="100%"> |
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| 172 | <p>The following character sequences are recognized:</p> |
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| 173 | <ul> |
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| 174 | <li> |
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| 175 | <code class="code">.</code> matches any single character except |
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| 176 | newline |
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| 177 | </li> |
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| 178 | <li> |
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| 179 | <code class="code">*</code> (postfix) matches the previous expression |
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| 180 | zero, one or several times |
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| 181 | </li> |
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| 182 | <li> |
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| 183 | <code class="code">+</code> (postfix) matches the previous expression |
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| 184 | one or several times |
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| 185 | <ul> |
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| 186 | <li><code>[+]</code> matches a "+" character (escape mechanism)</li> |
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| 187 | </ul> |
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| 188 | </li> |
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| 189 | <li> |
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| 190 | <code class="code">?</code> (postfix) matches the previous expression |
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| 191 | once or not at all |
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| 192 | </li> |
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| 193 | <li> |
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| 194 | <code class="code">[ ]</code> is a character set |
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| 195 | <ul> |
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| 196 | <li> |
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| 197 | ranges are denoted with a hyphen "<code class="code">-</code>", |
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| 198 | as in <code class="code">[a-z]</code> |
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| 199 | </li> |
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| 200 | <li> |
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| 201 | an initial caret "<code class="code">^</code>", as in <code class="code">[^0-9]</code>, |
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| 202 | complements the set (i.e., any character, except a lowercase letter from a to z, is accepted) |
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| 203 | </li> |
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| 204 | <li><code>[[]</code> matches a "[" character (escape mechanism)</li> |
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| 205 | <li><code>[]]</code> matches a "]" character (escape mechanism)</li> |
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| 206 | </ul> |
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| 207 | </li> |
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| 208 | <li><code class="code">^</code> matches at beginning of line</li> |
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| 209 | <li><code class="code">$</code> matches at end of line</li> |
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| 210 | <li><code class="code">|</code> (infix) alternative between two expressions</li> |
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| 211 | <li> |
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| 212 | <code class="code">( )</code> grouping of the enclosed expression |
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| 213 | <ul> |
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| 214 | <li><code>[(]</code> matches a "(" character (escape mechanism)</li> |
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| 215 | <li><code>[)]</code> matches a ")" character (escape mechanism)</li> |
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| 216 | </ul> |
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| 217 | </li> |
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| 218 | <li> |
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| 219 | <code class="code">\</code> escapes special characters (<em>i.e.</em>, |
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| 220 | <code>^.[$|*?{'</code>): |
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| 221 | <ul> |
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| 222 | <li><code>\n</code> matches a newline character</li> |
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| 223 | <li><code>\.</code> matches a dot "." character</li> |
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| 224 | <li><code>\'</code> matches a quote "<code>'</code>" character</li> |
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| 225 | <li> |
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| 226 | <code class="code">\</code> cannot be escaped; to search for |
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| 227 | a backslash, use <code class="code">.</code> to match any single |
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| 228 | character |
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| 229 | </li> |
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| 230 | </ul> |
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| 231 | </li> |
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| 232 | </ul> |
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| 233 | </td> |
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| 234 | <td width="2%" valign="top"> </td> |
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| 235 | <td width="20%"> </td> |
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| 236 | </tr> |
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| 237 | </table> |
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| 238 | |||
| 239 | </div> |
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| 240 | <div class="clear"></div> |
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| 241 | </div> |
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| 242 | |||
| 243 | |||
| 244 | <center id="footer"> |
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| 245 | <img style="border: 0px solid ; width: 760px; height: 2px;" alt="separation line" src="images/separation800.png" width="760" height="2"><br><br> |
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| 246 | <table width="710" cellspacing="0" cellpadding="0" border="0"> |
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| 247 | <tr valign="baseline"> |
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| 248 | <td width="34"> |
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| 249 | <a href="/helper"> |
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| 250 | <img src="images/enveloppe.png" width="30" height="13" name="mail" border="0" alt="OID helper"> |
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| 251 | </a> |
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| 252 | </td> |
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| 253 | <td width="58" align="center"><font size="-2">Webmaster</font></td> |
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| 254 | <td width="10" align="center"><img src="images/pointorange_small.gif" width="14" height="10"></td> |
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| 255 | <td width="78" align="center"> |
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| 256 | <font size="-2"> |
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| 257 | <!--<script language="JavaScript"> |
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| 258 | d=new Date(document.lastModified) |
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| 259 | month=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec") |
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| 260 | if (Date.parse(document.lastModified) != 0) |
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| 261 | document.write(d.getDate()+" "+month[d.getMonth()]+" "+d.getFullYear()); |
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| 262 | </script>--> |
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| 263 | 15 Apr 2022 |
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| 264 | </font> |
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| 265 | </td> |
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| 266 | <td width="24" align="center"><img src="images/pointorange_small.gif" width="14" height="10"></td> |
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| 267 | <td align="center" width="409"> |
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| 268 | <font size=-1> |
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| 269 | |||
| 270 | </font> |
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| 271 | </td> |
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| 272 | <td height="20" width="162" valign="middle" align="right"><a href="#top"><img src="images/page_top.png" width="150" height="17" border="0"></a></td> |
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| 273 | </tr> |
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| 274 | </table><br> |
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| 275 | </center> |
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| 276 | </div> |
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| 277 | </body> |
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| 278 | </html> |