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Re: Regex to match 20 chars of some digits followed by some spaces

by leriksen (Curate)
on Dec 19, 2003 at 03:02 UTC ( [id://315729]=note: print w/replies, xml ) Need Help??

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  1. or download this
    m/^\d((?<=\d)\d(?=([ \d]|$))|(?<=[\d ]) (?=( |$))){19}$/
  2. or download this
    m/^(?=\d*(?:\d ) *(?!\d)$)[0-9 ]{20}$/

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