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@ -1771,7 +1771,7 @@
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"In one of the exercises, we excluded lead and backing vocals from the list of instruments.\n",
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"In one of the exercises, we excluded lead and backing vocals from the list of instruments.\n",
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"However, are those the only types of vocals?\n",
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"However, are those the only types of vocals?\n",
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"\n",
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"\n",
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"You can check if a string or URI matches a regular expression with `regex(?variable, \"<regex>\")`.\n",
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"You can check if a string or URI matches a regular expression with `regex(?variable, \"<regex>\", \"i\")`.\n",
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"\n",
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"\n",
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"The documentation for regular expressions in SPARQL is [here](https://www.w3.org/TR/rdf-sparql-query/)."
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"The documentation for regular expressions in SPARQL is [here](https://www.w3.org/TR/rdf-sparql-query/)."
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]
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]
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