xslt 1.0 - How to split value

Hi Guys,

Please assist how to split input value into different many values and  store in variables
input always has four values divided by pipe line.

input: 
<LINE>value_1|value_2|value_3|value_4</LINE>

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How to store these values in separate variables?

<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="xml" version="1.0"/>

  <xsl:template match="/">

    <xsl:variable name="test1" select="" />
    <xsl:variable name="test2" select="" />
    <xsl:variable name="test3" select="" />
    <xsl:variable name="test4" select="" />

    <Lines>
      <xsl:value-of select="LINE" />
    </Lines>

  </xsl:template>
</xsl:stylesheet>

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Ecpected output:

<Lines>value_1</Lines>
<Lines>value_2</Lines>
<Lines>value_3</Lines>
<Lines>value_4</Lines>

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Thank you!