Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
Convert ASCII text to lowercase safely
C: Cast to unsigned char before calling ctype functions on a possibly signed char.
C✓ Tested
Convert ASCII text to uppercase
Convert characters with toupper while avoiding signed-char undefined behavior.
C✓ Tested
Convert between hexadecimal text and bytes
PowerShell: Use the .NET hexadecimal helpers instead of parsing byte pairs manually.
PowerShell✓ Tested
Convert known numeric text to an integer
Python: Convert a trusted literal to an integer before adding. Validate external input before converting it.
Python✓ Tested
Convert known numeric text to an integer
C#: Convert a trusted literal to an integer before adding. Validate external input before converting it.
C#✓ Tested
Convert known numeric text to an integer
Java: Convert a trusted literal to an integer before adding. Validate external input before converting it.
Java✓ Tested
Convert known numeric text to an integer
JavaScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.
JavaScript✓ Tested
Convert known numeric text to an integer
TypeScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.
TypeScript✓ Tested
Convert known numeric text to an integer
C++: Convert a trusted literal to an integer before adding. Validate external input before converting it.
C++✓ Tested
Convert known numeric text to an integer
C: Convert a trusted literal to an integer before adding. Validate external input before converting it.
C✓ Tested
Copy text into a fixed buffer
Use snprintf and check for truncation when copying a C string.
C✓ Tested
Create a small pure formatting pipe
Create a small pure formatting pipe with a standalone Angular component and explicit browser behavior.
Angular✓ Tested