AS400 Convert text date field in mm/dd/yyyy format and store as a date field

I need to check a 10 digit text field for a valid date, then store the date in a date type field. what's the best why to do this in rpg?
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Gary PattersonVP Technology / Senior Consultant Commented:
Use the %Date built in function.

myString = '01/31/1903';
myDate = %date (my String :  *usa);

Monitor for error.

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roosterupAuthor Commented:
I decided to use test(de) but I assume your solution would work.  any advice on the easiest way to test for future dates or ridiculously old dates?
Gary PattersonVP Technology / Senior Consultant Commented:
// To test for a future date:
if myDate > %date();
... do something here

// To test for a date prior to Jan 1, 1900, assuming DATFMT is set to ISO.
d riduculouslyOldDate...
d                                 c                       const(d'1900-01-01')
if myDate < ridiculouslyOldDate;
... do something here
How "well formed" are the dates? I.e., will they always be MM/DD/YYYY? Or is "1/7/2015" valid?
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