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<p class="MsoNormal"><span style="color:#1F497D">You can use regexes:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">CLASSITEM ‘road_type’<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">CLASS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> EXPRESSION /^I-/<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> …<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">END<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">or <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">CLASS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> EXPRESSION (‘[road_type]’ ~ ‘^I-‘)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> …<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">END<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Steve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mapserver-users-bounces@lists.osgeo.org [mailto:mapserver-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Bistrais, Bob<br>
<b>Sent:</b> Thursday, September 05, 2013 10:40 AM<br>
<b>To:</b> mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> [mapserver-users] class expression question<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’d like to classify road data according to road type. This includes Interstate highways, where the road name attribute starts with “I-“, such as “I-95”, “I-295”, etc. So I’d like to create a class where ‘[roadname]’ like ‘I-%’<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>What is the correct syntax to do this? <o:p></o:p></p>
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