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Need help on validating string cases

 
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srikanthdv

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Joined: 17 Mar 2006
Posts: 5
Location: pune

PostPosted: Sat Jul 11, 2009 1:33 pm    Post subject: Need help on validating string cases
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Hi guys,

Any body can help for the following request.

In the program at one situation I need to validate the following string cases in PLI.

Maximum length of the string is 200

1) If I given the single character as input value should accept.
like example 'Y' / 'N' / 'P'/ 'A' etc....

2) 'YES' / 'ABC'/ 'NO'.....should accept

For the following two conditions should throw error

3) 'Y ES' should throw error

4) 'N O' should throw error

I tried with substrings and Indexes, but unable to get the exact
results.

Thanks in advance.

Sri.....
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dbzTHEdinosauer

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Joined: 20 Oct 2006
Posts: 6968
Location: porcelain throne

PostPosted: Sat Jul 11, 2009 2:02 pm    Post subject:
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how about showing us your pseudo code.
this kind of validation is rather easier in any language.

and the rules: 'y es' is an error. is everything left justified? or is the data 'floating' anywhere within the string space.

what is the string delimiter, source of string length?
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