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    <p>Here is a simple tokenization. One can use the result to access any token by position:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt; &lt;xsl:output omit-xml-declaration="yes" indent="yes"/&gt; &lt;xsl:template match="text()" name="tokenize"&gt; &lt;xsl:param name="pText" select="concat(.,'|')"/&gt; &lt;xsl:if test="string-length($pText)"&gt; &lt;t&gt; &lt;xsl:value-of select="substring-before($pText, '|')"/&gt; &lt;/t&gt; &lt;xsl:call-template name="tokenize"&gt; &lt;xsl:with-param name="pText" select= "substring-after($pText, '|')"/&gt; &lt;/xsl:call-template&gt; &lt;/xsl:if&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p><strong>when applied on</strong>:</p> <pre><code>&lt;t&gt;a|b|c|d|e|f|g|h&lt;/t&gt; </code></pre> <p><strong>produces</strong>:</p> <pre><code>&lt;t&gt;a&lt;/t&gt; &lt;t&gt;b&lt;/t&gt; &lt;t&gt;c&lt;/t&gt; &lt;t&gt;d&lt;/t&gt; &lt;t&gt;e&lt;/t&gt; &lt;t&gt;f&lt;/t&gt; &lt;t&gt;g&lt;/t&gt; &lt;t&gt;h&lt;/t&gt; </code></pre> <p><strong>Finally, we are using this tokenisation technique to solve the original problem</strong>:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:ext="http://exslt.org/common" &gt; &lt;xsl:output omit-xml-declaration="yes" indent="yes"/&gt; &lt;xsl:template match="/"&gt; &lt;xsl:variable name="vrtfTokens"&gt; &lt;xsl:call-template name="tokenize"&gt; &lt;xsl:with-param name="pText" select= "/*/*/*/*/Hit_def"/&gt; &lt;/xsl:call-template&gt; &lt;/xsl:variable&gt; &lt;xsl:value-of select="ext:node-set($vrtfTokens)/*[4]"/&gt; &lt;/xsl:template&gt; &lt;xsl:template match="text()" name="tokenize"&gt; &lt;xsl:param name="pText" select="concat(.,'|')"/&gt; &lt;xsl:if test="string-length($pText)"&gt; &lt;t&gt; &lt;xsl:value-of select="substring-before($pText, '|')"/&gt; &lt;/t&gt; &lt;xsl:call-template name="tokenize"&gt; &lt;xsl:with-param name="pText" select= "substring-after($pText, '|')"/&gt; &lt;/xsl:call-template&gt; &lt;/xsl:if&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p><strong>when this transformation is applied on the provided XML document</strong>:</p> <pre><code>&lt;BlastOutput_iterations&gt; &lt;Iteration&gt; &lt;Iteration_iter-num&gt;1&lt;/Iteration_iter-num&gt; &lt;Iteration_query-ID&gt;Query_1&lt;/Iteration_query-ID&gt; &lt;Iteration_query-def&gt;Teg18as_antisens&lt;/Iteration_query-def&gt; &lt;Iteration_query-len&gt;865&lt;/Iteration_query-len&gt; &lt;Iteration_hits&gt; &lt;Hit&gt; &lt;Hit_num&gt;1&lt;/Hit_num&gt; &lt;Hit_id&gt;gnl|BL_ORD_ID|30&lt;/Hit_id&gt; &lt;Hit_def&gt;gi|150392480|ref|NC_009632.1| Staphylococcus aureus subsp. aureus JH1, complete genome&lt;/Hit_def&gt; &lt;Hit_accession&gt;2233&lt;/Hit_accession&gt; &lt;Hit_len&gt;2906507&lt;/Hit_len&gt; &lt;Hit_hsps&gt; &lt;Hsp&gt; &lt;Hsp_num&gt;1&lt;/Hsp_num&gt; &lt;Hsp_bit-score&gt;1561.20031714635&lt;/Hsp_bit-score&gt; &lt;Hsp_score&gt;1730&lt;/Hsp_score&gt; &lt;Hsp_evalue&gt;0&lt;/Hsp_evalue&gt; &lt;Hsp_query-from&gt;1&lt;/Hsp_query-from&gt; &lt;Hsp_query-to&gt;865&lt;/Hsp_query-to&gt; &lt;Hsp_hit-from&gt;355668&lt;/Hsp_hit-from&gt; &lt;Hsp_hit-to&gt;356532&lt;/Hsp_hit-to&gt; &lt;Hsp_query-frame&gt;1&lt;/Hsp_query-frame&gt; &lt;Hsp_hit-frame&gt;1&lt;/Hsp_hit-frame&gt; &lt;Hsp_identity&gt;865&lt;/Hsp_identity&gt; &lt;Hsp_positive&gt;865&lt;/Hsp_positive&gt; &lt;Hsp_gaps&gt;0&lt;/Hsp_gaps&gt; &lt;Hsp_align-len&gt;865&lt;/Hsp_align-len&gt; &lt;Hsp_qseq&gt;CAACTCGTTAGGACAATCACGATGATTGTCTACAGTTGCAGGTGGATTTGAATATACTACTAGTTATTTGTTGTCTAGGATAATAGATTTAGTATGTTGATAAGTTTGACTCAGATTTGTATTTTCTAATAAATGATAACTCACGATATCGATTAAAAAGAGTGTCGCAATTTGTGTGTTGATAAATTGATGGTCGGTATTACGCGATTGATCCGTTGTTAAAAGTACTAAATCTGCACAATCTGTAAGTTTACTACCTTCGAAATTTGTGATGGCAACGACATATGCACCATGAGATTTGGCGACTTCCGCTGCTGAAATTAATTCCGAAGTATTACCACTATTTGACATAGCAATAAACATGTCCGAATGAGATAGTAGGGATGCCGATATTTTCATTAAATGTGAATCGGTAGTAACATTACCTTTTAGCCCCATACGAATCATACGATAATAAAATTCAGTCGCTGATAAACCAGAGCTACCTAGTCCAGCAAAGAGTATATGTCGACTTGATTGGAGTTTGTCGATAAAGGTTTGGATAATGTCGTTATCAATAAATTCACCAGTTTGTTGAATGATTTGTTGATGATATTTATGAATTCTTTGAATAATTGGGCTATTTTCAATAACTGTCTCTGTCATTTCTTGTTGAATATTAAATTTTAAATCTTGGAAATTCTCATAATCTAGCTTATGACTAAAGCGTGTCATCGTTGCTGGTGATGTACCAATCGCATGGGCTAAGGAGTTAATCGTTGAAAAGGCATCGCTATAACCATTTTGTCTTATATAATTGACGATGCGTTTATCAGTTTTTGTAAATAAATGTTGATAACGTTGAACACGATTCTCAAATTTCATT&lt;/Hsp_qseq&gt; &lt;Hsp_hseq&gt;CAACTCGTTAGGACAATCACGATGATTGTCTACAGTTGCAGGTGGATTTGAATATACTACTAGTTATTTGTTGTCTAGGATAATAGATTTAGTATGTTGATAAGTTTGACTCAGATTTGTATTTTCTAATAAATGATAACTCACGATATCGATTAAAAAGAGTGTCGCAATTTGTGTGTTGATAAATTGATGGTCGGTATTACGCGATTGATCCGTTGTTAAAAGTACTAAATCTGCACAATCTGTAAGTTTACTACCTTCGAAATTTGTGATGGCAACGACATATGCACCATGAGATTTGGCGACTTCCGCTGCTGAAATTAATTCCGAAGTATTACCACTATTTGACATAGCAATAAACATGTCCGAATGAGATAGTAGGGATGCCGATATTTTCATTAAATGTGAATCGGTAGTAACATTACCTTTTAGCCCCATACGAATCATACGATAATAAAATTCAGTCGCTGATAAACCAGAGCTACCTAGTCCAGCAAAGAGTATATGTCGACTTGATTGGAGTTTGTCGATAAAGGTTTGGATAATGTCGTTATCAATAAATTCACCAGTTTGTTGAATGATTTGTTGATGATATTTATGAATTCTTTGAATAATTGGGCTATTTTCAATAACTGTCTCTGTCATTTCTTGTTGAATATTAAATTTTAAATCTTGGAAATTCTCATAATCTAGCTTATGACTAAAGCGTGTCATCGTTGCTGGTGATGTACCAATCGCATGGGCTAAGGAGTTAATCGTTGAAAAGGCATCGCTATAACCATTTTGTCTTATATAATTGACGATGCGTTTATCAGTTTTTGTAAATAAATGTTGATAACGTTGAACACGATTCTCAAATTTCATT&lt;/Hsp_hseq&gt; &lt;Hsp_midline&gt;|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||&lt;/Hsp_midline&gt; &lt;/Hsp&gt; &lt;/Hit_hsps&gt; &lt;/Hit&gt; &lt;/Iteration_hits&gt; &lt;/Iteration&gt; &lt;/BlastOutput_iterations&gt; </code></pre> <p><strong>the wanted, correct result is produced</strong>:</p> <pre><code>NC_009632.1 </code></pre>
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    1. POXsl subtrings with pattern
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    1. USDimitre Novatchev
    1. USDimitre Novatchev
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      1. VTUpMod
    1. COWith this design, I think you should use `substring-before(concat($pText, '|'), '|')` to not loose the last token.
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    2. CO@Alejandro: Good catch! I was writing this 1 minute before leaving for work -- fixed now :)
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      1. USDimitre Novatchev
    3. CO+1 Good answer.
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      1. This table or related slice is empty.
 

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