Update: OPed code changed by bluethundr.

bluethundr:

This is a bit OT your OPed question, but in addition to what ikegami said, the deleted regex
    /(\d+\-\d+\-\d+\s\d+\d+\d+\+)/
looks fishy.

• Do you really wish to match one or more 'd' characters after the first  '' entity (for I'm guessing that's what it is)?
• Do you really wish to match one or more ';' characters as a part of and after the second 'entity'?
• Do you realize that  '' in the regex matches a literal  '' in the string?

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