Results for “Text validation & parsing”
Small, practical examples. Search by task or narrow things down below.
Parse an email address syntax
Parse an email address syntax using a complete Go program with explicit sample inputs.
Go✓ Tested
Parse an integer without throwing on invalid input
PowerShell: TryParse reports conversion success separately from its output value.
PowerShell✓ Tested
Parse an unsigned hexadecimal integer
C: Use an explicit base and check both range and full consumption.
C✓ Tested
Pass a block of behavior as an argument
PowerShell: Invoke a scriptblock with the call operator and an explicit input value.
PowerShell✓ Tested
Pass an environment value to a child process
PowerShell: The process environment is inherited by a launched child PowerShell process.
PowerShell✓ Tested
Place missing values after known values portably
SQL: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQL✓ Tested
Place missing values after known values portably
SQL Server: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQL Server✓ Tested
Place missing values after known values portably
Postgres: A CASE sort key controls NULL placement without relying on engine-specific defaults.
Postgres✓ Tested
Place missing values after known values portably
SQLite: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQLite✓ Tested
Preserve a failure after local cleanup
PowerShell: A bare throw inside catch rethrows the current exception.
PowerShell✓ Tested
Print a selected range of lines
Linux Commands: Use sed -n with a line address to suppress other output.
Linux Commands✓ Tested
Print only the matching portions
Linux Commands: Use extended regex and -o to extract digit sequences.
Linux Commands✓ Tested