Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
Detect NaN without converting the input
JavaScript: Number.isNaN tests the special numeric value instead of applying string-to-number conversion.
JavaScript✓ Tested
Detect NaN without converting the input
TypeScript: Number.isNaN tests the special numeric value instead of applying string-to-number conversion.
TypeScript✓ Tested
Detect truncated formatted output
Arduino / C: snprintf returns the length it would have written, excluding the null terminator.
Arduino / C✓ Tested
Discard incidental output from a setup command
PowerShell: Out-Null prevents setup objects from becoming part of a function or script’s useful result.
PowerShell✓ Tested
Dispatch values with wildcard patterns
PowerShell: Switch -Wildcard interprets shell-style matching patterns for each clause.
PowerShell✓ Tested
Display a bounded slice of a list
Display a bounded slice of a list with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Display a number with a fixed decimal width
JavaScript: toFixed returns a formatted string rather than a numeric value.
JavaScript✓ Tested
Display a number with a fixed decimal width
TypeScript: toFixed returns a formatted string rather than a numeric value.
TypeScript✓ Tested
Drop the fractional part toward zero
JavaScript: Math.trunc differs from floor for negative inputs.
JavaScript✓ Tested
Drop the fractional part toward zero
TypeScript: Math.trunc differs from floor for negative inputs.
TypeScript✓ Tested
Enforce a numeric range at a function boundary
PowerShell: ValidateRange performs argument validation before work begins.
PowerShell✓ Tested
Exclude matching lines
Linux Commands: Use grep -v to retain lines that do not start with a comment marker.
Linux Commands✓ Tested