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  1. regexp {\d+(?::[\dA-Za-z]+)*} "3001:470:8865:2E01::190:201" out
  2. puts $out
Success #stdin #stdout 0s 5328KB
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stdin
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Standard input is empty
stdout
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3001:470:8865:2E01
https://ideone.com/w5DhxW
language:
TCL (tcl 8.6)
created:
5 years ago
visibility:
secret

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