Results for “Text validation & parsing”
Small, practical examples. Search by task or narrow things down below.
Reset controlled form state
Reset controlled form state with a small React component and explicit browser behavior.
React✓ Tested
Restore an environment value after temporary use
PowerShell: Use finally so temporary process configuration does not leak to subsequent work; remove the entry when it was originally absent.
PowerShell✓ Tested
Restore the working location after an operation
PowerShell: Push-Location and Pop-Location manage a directory stack; finally ensures restoration.
PowerShell✓ Tested
Restrict a function parameter to known choices
PowerShell: ValidateSet rejects unsupported values before the function body executes.
PowerShell✓ Tested
Return a collection as one pipeline object
PowerShell: The unary comma prevents the returned array from being enumerated at this boundary.
PowerShell✓ Tested
Round a decimal with a chosen midpoint rule
PowerShell: Use decimal input and an explicit rounding policy for a reproducible decimal result.
PowerShell✓ Tested
Round a halfway floating-point value
C: The C round function rounds halfway cases away from zero.
C✓ Tested
Round downward and upward independently
C: floor and ceil round toward negative and positive infinity respectively.
C✓ Tested
Round halfway floating-point values away from zero
C++: std::round has an explicit halfway rule different from truncation.
C++✓ Tested
Run cleanup after a caught exception
PowerShell: Use finally for cleanup that must occur after either success or failure.
PowerShell✓ Tested
Search a small FTS5 table
Use SQLite’s full-text index to match a term.
FTS5✓ Tested
Search for a literal LIKE wildcard
SQL: Declare an escape character so a percent sign in the pattern is literal.
SQL✓ Tested