Subject: [xsl] XPath expression to extract the hour offset from strings that express time offset from UTC? From: "Roger L Costello costello@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Tue, 13 Dec 2022 13:49:16 -0000 |
Hi Folks, I have strings that express time offset from UTC. Here are representative examples: UTC+5 UTC+1(+2DT) UTC-11 UTC+4:30 UTC+9:30(+10:30DT) In areas where daylight savings time is observed, the daylight savings time is the part in parentheses. Some offsets have both an hour and minute. The minute portion is after the colon. I need to extract the hour offset. So for the above examples, I need to extract: +5 +1 -11 +4 +9 This XPath expression seems to do the job: let $time := "UTC+9:30(+10:30DT)" return if (contains($time,'(')) then let $part := substring-after(substring-before($time,'('),'UTC') return if (contains($part,':')) then substring-before($part,':') else $part else let $part := substring-after($time,'UTC') return if (contains($part,':')) then substring-before($part,':') else $part Is there a better (simpler, shorter) XPath expression for doing this? /Roger
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