what does this regular expression mean?

What does this regular expression mean?

(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])([1-9][0-9]))
alexmac05Asked:
Who is Participating?
 
Dan CraciunConnect With a Mentor IT ConsultantCommented:
01 to 09
or
10, 11, 12
followed by
01 to 09
or
10 to 29
or
30 or 31
followed by
10 to 99

Or, in translation
01 to 12 followed by 01 to 31 followed by 10 to 99

HTH,
Dan
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alexmac05Author Commented:
thanks. very fast. very helpful
0
 
Dan CraciunIT ConsultantCommented:
Glad I could help!
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