Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
Compute beyond the fixed-width integer range
PowerShell: BigInteger keeps an exact result when ordinary integer types are too small.
PowerShell✓ Tested
Control a radio-button group
Control a radio-button group with a small React component and explicit browser behavior.
React✓ Tested
Convert between integer bases
JavaScript: Supply a radix when parsing a nondecimal integer string.
JavaScript✓ Tested
Convert between integer bases
TypeScript: Supply a radix when parsing a nondecimal integer string.
TypeScript✓ Tested
Convert tab stops to spaces
Linux Commands: Use expand with a fixed tab width when preparing plain-text alignment.
Linux Commands✓ Tested
Convert Unix seconds into an aware UTC timestamp
PowerShell: DateTimeOffset.FromUnixTimeSeconds creates a value with an explicit UTC offset.
PowerShell✓ Tested
Copy a file into an image
Include a small application file during the build.
Dockerfile✓ Tested
Copy a string with a guaranteed terminator
Arduino / C: Reserve one character for the terminator when copying a bounded string.
Arduino / C✓ Tested
Count days between calendar dates
PowerShell: Parse an unambiguous format before subtracting date values.
PowerShell✓ Tested
Count matching lines
Linux Commands: Use grep -c to count matching lines rather than individual occurrences.
Linux Commands✓ Tested
Count Unicode code points in a string
JavaScript: String iteration combines surrogate pairs, unlike the UTF-16 length property.
JavaScript✓ Tested
Count Unicode code points in a string
TypeScript: String iteration combines surrogate pairs, unlike the UTF-16 length property.
TypeScript✓ Tested