Results for “Strings & text”
Small, practical examples. Search by task or narrow things down below.
Set and clear a bit in a shell integer
Bash Scripts: Use shifts and bitwise operators for a small flag field.
Bash Scripts✓ Tested
Show line numbers beside matches
Linux Commands: Use grep -n so a result identifies its position in the source file.
Linux Commands✓ Tested
Split a key-value pair once
Split a key-value pair once in a complete Rust program using the standard library.
Rust✓ Tested
Split a record while retaining its remainder
Bash Scripts: The final read variable receives the remainder of a delimited record.
Bash Scripts✓ Tested
Split a writable comma-delimited buffer
Arduino / C: strtok modifies its buffer and returns successive tokens.
Arduino / C✓ Tested
Split on Unicode whitespace
Split on Unicode whitespace in a complete Rust program using the standard library.
Rust✓ Tested
Take Unicode characters without byte slicing
Take Unicode characters without byte slicing in a complete Rust program using the standard library.
Rust✓ Tested
Test numeric divisibility with a remainder
Bash Scripts: The modulo operator computes an integer remainder.
Bash Scripts✓ Tested
Transform each regex match with a callback
JavaScript: A replacement callback computes the replacement separately for each match.
JavaScript✓ Tested
Transform each regex match with a callback
TypeScript: A replacement callback computes the replacement separately for each match.
TypeScript✓ Tested
Translate ASCII lowercase letters to uppercase
Linux Commands: Use tr under a fixed locale for predictable ASCII character ranges.
Linux Commands✓ Tested
Treat an empty trimmed value as missing
SQL: NULLIF converts an empty string to NULL before a fallback is applied.
SQL✓ Tested