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Regular Expression Details

Title Test Find Pattern Title
Expression
^(0?[1-9]|1[012])$
Description
This will match numbers between 0 and 12. The 0? at the beginning will allow "01" as a valid match. This is useful for validation the month only component of a date part.
Matches
05 | 5 | 12
Non-Matches
0 | 1a | 13
Author Rating: Not yet rated. William Robertson
Source
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