regex - Match particular CDATA sections in XML data -

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i trying powershell regex, have following page (further below) want match from, 2 parts in bold information want capture , assign variable. need 2 regex's. text below, 2 area's need find king , years & years. please note, these 2 areas change (hence reason need capture them), rest of of code stays same.

this regex have @ moment, it's not working me. 

\s+artist\s*>\s*<\s*!\s*[cdata\s*[(.*)\s*]\s*]\s*>\s*<\s*/artist

and here page (or data) trying use regex with.

<on_air>   <publishedinfo publisheddate="2015-07-18 16:24:28" />   <stationname><![cdata[mix 106.5]]></stationname>   <stationprefix><![cdata[mix1065]]></stationprefix>   <generic_coverart><![cdata[http://media.arn.com.au/images/getimage.aspx?i=generic_mix1065.jpg]]></generic_coverart>   <now_playing>     <audio id="id_1705168034_30458146" type="song">       <title generic="false"><![cdata[king*]]></title>       <artist><![cdata[years & years]]></artist>       <number><![cdata[46029]]></number>       <cut><![cdata[1]]></cut>       <ref><![cdata[]]></ref>       <played_datetime><![cdata[2015-07-18 16:24:27]]></played_datetime>       <length><![cdata[00:03:28]]></length>       <coverart generic="true"><![cdata[http://media.arn.com.au/images/getimage.aspx?i=generic_mix1065.jpg]]></coverart>       <options>         <option><![cdata[kiis s integrated]]></option>       </options>     </audio>   </now_playing>

if valid xml, not need use regular expressions. powershell adapt xml objects , can use standard property syntax navigate on them:

$xml=[xml]@' <on_air>   <publishedinfo publisheddate="2015-07-18 16:24:28" />   <stationname><![cdata[mix 106.5]]></stationname>   <stationprefix><![cdata[mix1065]]></stationprefix>   <generic_coverart><![cdata[http://media.arn.com.au/images/getimage.aspx?i=generic_mix1065.jpg]]></generic_coverart>   <now_playing>     <audio id="id_1705168034_30458146" type="song">       <title generic="false"><![cdata[king*]]></title>       <artist><![cdata[years & years]]></artist>       <number><![cdata[46029]]></number>       <cut><![cdata[1]]></cut>       <ref><![cdata[]]></ref>       <played_datetime><![cdata[2015-07-18 16:24:27]]></played_datetime>       <length><![cdata[00:03:28]]></length>       <coverart generic="true"><![cdata[http://media.arn.com.au/images/getimage.aspx?i=generic_mix1065.jpg]]></coverart>       <options>         <option><![cdata[kiis s integrated]]></option>       </options>     </audio>   </now_playing> </on_air> '@ $xml.on_air.now_playing.audio.title.'#cdata-section' $xml.on_air.now_playing.audio.artist.'#cdata-section'

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