Results for “Dates & numeric validation”
Small, practical examples. Search by task or narrow things down below.
Validate a complete identifier with a regex
C#: Use absolute anchors and a timeout so the regex checks the complete input with a bounded execution time.
C#✓ Tested
Validate an entire identifier
Python: Use fullmatch so a regex must consume the complete input.
Python✓ Tested
Validate an unknown value with a type guard
Check a field before treating unknown data as a typed object.
unknown✓ Tested
Validate UTF-8 bytes
Validate UTF-8 bytes using a complete Go program with explicit sample inputs.
Go✓ Tested
Wrap an error with context
Wrap an error with context using a complete Go program with explicit sample inputs.
Go✓ Tested
Extract part of a date
Read a calendar component with EXTRACT.
EXTRACT✓ Tested
Format a timestamp with to_char
Produce a fixed numeric date string.
to_char✓ Tested
Add an interval to a date
Perform calendar arithmetic with an interval literal.
INTERVAL✓ Tested
Add calendar days
Use DateOnly for a date without a time zone in C#.
C#✓ Tested
Add days to a date
Parse an ISO date and add calendar days using Java LocalDate.
Java✓ Tested
Add days to a date
Use DATEADD for date arithmetic.
DATEADD✓ Tested
Add days to a date
Use a date modifier for calendar arithmetic.
date✓ Tested