Results for “Text parsing & arithmetic”
Small, practical examples. Search by task or narrow things down below.
Extract a substring with range syntax
C#: C# range ends are exclusive; indices operate on UTF-16 code units.
C#✓ Tested
Extract digit sequences
Extract digit sequences using a complete Go program with explicit sample inputs.
Go✓ Tested
Extract named regex fields
Python: Use named capture groups to parse a known date-shaped identifier.
Python✓ Tested
Extract part of a string
Use one-based positions with substr.
substr✓ Tested
Extract successive regex matches
Java: Use a Matcher loop to find all unsigned integer tokens in Java text.
Java✓ Tested
Find the greatest common divisor with the standard library
C++: std::gcd computes a nonnegative integer common divisor.
C++✓ Tested
Find the least common multiple with the standard library
C++: std::lcm combines positive integer periods into a common cycle.
C++✓ Tested
Format a known timestamp in UTC
C: gmtime converts to UTC calendar fields and strftime formats them.
C✓ Tested
Format a nonnegative integer amount as whole and fractional units
C: Keep the calculation in integer minor units and use two digits for the remainder.
C✓ Tested
Format an integer as padded hexadecimal
Format an integer as padded hexadecimal in a complete Rust program using the standard library.
Rust✓ Tested
Format an integer into a caller-owned buffer
C++: to_chars avoids allocation and reports whether the buffer was large enough.
C++✓ Tested
Format several integers in a fixed buffer
Arduino / C: snprintf limits writes to the buffer size and includes a terminating null byte.
Arduino / C✓ Tested