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How do I compare strings in Java?
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How to jusify {e,n} is a valid RSA public key?
109704
How to check if a string is a legal "dd/mm/yyyy" date?
135116
Is there an equivalent to 'sscanf()' in .NET?
68020
How do I check if a given string is a legal/valid file name under Windows?
157901
date format yyyy-MM-ddTHH:mm:ssZ
18368
How to format a Date in MM/dd/yyyy HH:mm:ss format in JavaScript?
134315
How to test if a string is JSON or not?
122787
How to check whether a Storage item is set?
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Column validation for US phone number format
66967
What is the best format to capture addresses for a universal user-base?
158239
What does it mean when `ls` shows a numeric user id?
42876
How do I Validate the File Type of a File Upload?
52826
How do I trust a self signed certificate?
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How to verify a number encrypted with an unknown key
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ValidateCredentials returns true for unknown user?
42413
How do you detect Credit card type based on number?