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Description
The PATTERN and PATTERNINDEX property combined returns a substring contained in the base string based on a wildcards pattern.
Syntax
<#DATASET ALIAS="anAlias" QUERYID="aQueryId">
<#field1 PATTERN="aWildCardPattern" PATTERNINDEX="aWildCardIndex"/>
<#/DATASET>
<#VARIABLE1 PATTERN="aWildCardPattern" PATTERNINDEX="aWildCardIndex"/>
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Applications
Use the PATTERN property in dataset fields and variables for an easy way to obtain substrings based on a wildcard pattern. For example you can use the pattern *@* for obtaining the username and server of an email address. See the examples below for a better understanding of its usage.
Examples
Example 1. Usage of the PATTERN and PATTERNINDEX property.
Source code
<html> <head> <title>Using Patterns</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <body> <h1>Using Patterns</h1> <hr> <p>This examples divides the e-mail field in two parts using the pattern *@*.</p> <table border=1> <tr> <th>Full Name</th> <th>e-mail</th> <th>User Name</th> <th>Server</th> </tr> <#DATASET ALIAS="OPEX" QUERYID="19"> <tr> <td><#USERNAME/></td> <td><#EMAIL/></td> <td><#EMAIL PATTERN="*@*" PATTERNINDEX="1"/></td> <td><#EMAIL PATTERN="*@*" PATTERNINDEX="2"/></td> </tr> <#/DATASET> </table> <hr> <p>Another patterns:</p> <#SETCOOKIE NAME="Telephone" VALUE="(55) 12 34 56"/> <#SETCOOKIE NAME="AreaCode" EXPRESSION="Telephone" PATTERN="(*)*" PATTERNINDEX="1"/> <#SETCOOKIE NAME="PHI" VALUE="1.618"/> <ul> <li> <b>Telephone:</b> <#TELEPHONE/> <b>Area code:</b> <#AREACODE/> <li> <b>The mantise of PHI(<#PHI/>) is</b> .<#PHI PATTERN="*.*" PATTERNINDEX="2"/> <li> <b>Current Year:</b> <#SP_DATE PATTERN="*/*/*" PATTERNINDEX="3"/> <li> <b>Current Month:</b> <#SP_DATE PATTERN="*/*/*" PATTERNINDEX="2"/> <li> <b>Current Day:</b> <#SP_DATE PATTERN="*/*/*" PATTERNINDEX="1"/> </ul> </body> </html>
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SQL Sentence No. 19
CONTACTS table.
CREATE TABLE "CONTACTS" ( "USERNAME" VARCHAR(128) NOT NULL, "EMAIL" VARCHAR(128) NOT NULL, "PHONE" VARCHAR(32) );
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Test example
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