You have a literal whitespace in:
(\d\d-\d\d-\d\d\d\d \d\d:\d\d:\d\d)
                   ^ over here

[download]

that is ignored when /x is used.

In reply to Re: Unexpected behaviour of /x Regexp modifier? by repellent
in thread Unexpected behaviour of /x Regexp modifier? by jvector

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