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Greetings... 
I am trying to extract text using a regex command....but I don't want to start from the beginning. 
 
&lt;sections&gt; &lt;id_root&gt;90b40a38-ea32-9c2f-f2b8-9ad32f7b47fe&lt;/id_root&gt; &lt;code_code&gt;34084-4&lt;/code_code&gt; &lt;code_codeSystem&gt;2.16.840.1.113883.6.1&lt;/code_codeSystem&gt; &lt;displayName&gt;ADVERSE REACTIONS SECTION&lt;/displayName&gt; &lt;section_title&gt;6 &nbsp; &nbsp;ADVERSE REACTIONS&lt;/section_title&gt; &lt;effectiveTime_value&gt;20120213&lt;/effectiveTime_value&gt; &lt;excerpt_text&gt;&lt;![CDATA[ &lt;ns1:paragraph&gt;Common adverse reactions in clinical trials (=5% and more common than with placebo) include hypoglycemia, headache, nausea, and dizziness (&lt;ns1:linkHtml href=&quot;#S6.1&quot;&gt;6.1&lt;/ns1:linkHtml&gt;).&lt;/ns1:paragraph&gt;]]&gt;&lt;/excerpt_text&gt; &lt;subSections&gt; 
 
This is a snippet of a string. &nbsp;I understand it looks like XML, but I have to treat it like a single string. 
 
I need to use REGEX to find the information &nbsp;from the tag &lt;section_title&gt; 
Is there a way to regex (start from pos(look for &lt;section_title&gt;)) then go to the end tag? 
 
Thanks much.
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Greetings...
I am trying to extract text using a regex command....but I don't want to start from the beginning.

<sections> <id_root>90b40a38-ea32-9c2f-f2b8-9ad32f7b47fe</id_root> <code_code>34084-4</code_code> <code_codeSystem>2.16.840.1.113883.6.1</code_codeSystem> <displayName>ADVERSE REACTIONS SECTION</displayName> <section_title>6 ADVERSE REACTIONS</section_title> <effectiveTime_value>20120213</effectiveTime_value> <excerpt_text><![CDATA[ <ns1:paragraph>Common adverse reactions in clinical trials (=5% and more common than with placebo) include hypoglycemia, headache, nausea, and dizziness (<ns1:linkHtml href="#S6.1">6.1</ns1:linkHtml>).</ns1:paragraph>]]></excerpt_text> <subSections>

This is a snippet of a string. I understand it looks like XML, but I have to treat it like a single string.

I need to use REGEX to find the information from the tag <section_title>
Is there a way to regex (start from pos(look for <section_title>)) then go to the end tag?

Thanks much.

regex start at first instance

A regular expression ("regex") is a sequence of characters that define a search pattern, mainly for use in pattern matching with strings, or string matching, i.e. "find and replace"-like operations. Regular expression processors are found in several search engines, search and replace dialogs of several word processors and text editors, and in the command lines of text processing utilities, such as sed and AWK. Many programming languages provide regular expression capabilities, some built-in, for example Perl, JavaScript, Ruby, AWK, and Tcl, and others via a standard library, for example .NET languages, Java, Python and C++ (since C++11). Most other languages offer regular expressions via a library.

Regular Expressions

Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.