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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">the examples on „ https://wiki.freeswitch.org/wiki/Manipulating_Channel_Variables “ are working successfully.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">But I need the function like ${var:0:-7}.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">For example:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; My dialplan app return a value like this “from number”|”location” -&gt;123456|intern.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The length of the “from number” is unknown, but the length of the location is fix (it could be intern or extern only).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Now I am trying ${var:0:-7} to extract the “123456”, but I get the complete string 123456|intern.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">What can I do with this function?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Or is the only possibility to solve this via a regular expression ^([0-9]&#43;)[|](intern|extern)$ -&gt; (not tested ;-)?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;color:#1F497D">Thanks a lot!<o:p></o:p></span></p>
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