Results for “Text validation & parsing”
Small, practical examples. Search by task or narrow things down below.
Print the final lines of a file
Linux Commands: Use tail -n for a fixed-size suffix of a log.
Linux Commands✓ Tested
Provide read-only application configuration
Provide read-only application configuration with a small React component and explicit browser behavior.
React✓ Tested
Quote a CSV field and double embedded quotes
C: A quoted CSV field represents a quote character by repeating it.
C✓ Tested
Read a little-endian integer from bytes
Read a little-endian integer from bytes in a complete Rust program using the standard library.
Rust✓ Tested
Read an uncontrolled form with FormData
Read an uncontrolled form with FormData with a small React component and explicit browser behavior.
React✓ Tested
Read named fields from a successful regex match
PowerShell: The Matches table is updated after a successful scalar match operation.
PowerShell✓ Tested
Read the kind of command being invoked
PowerShell: CommandType distinguishes cmdlets from functions, aliases, and external applications.
PowerShell✓ Tested
Reject an integer outside a byte’s range
Reject an integer outside a byte’s range using a complete Go program with explicit sample inputs.
Go✓ Tested
Reject an integer with trailing characters
Arduino / C: strtol exposes an end pointer so a parser can require the entire token.
Arduino / C✓ Tested
Reject infinite and NaN numeric values
C++: std::isfinite excludes special floating-point values.
C++✓ Tested
Reject NaN and infinite values
PowerShell: Double.IsFinite excludes numeric values unsuitable for ordinary bounded calculations.
PowerShell✓ Tested
Reject NaN and infinite values
C: isfinite detects whether a floating-point value is an ordinary finite number.
C✓ Tested