String Repeater Articles

String Padding and Repetition Across Languages: Python, JavaScript, SQL, and Bash

Python's str * n, JavaScript's repeat() and padStart(), SQL's RPAD() and LPAD(), and bash printf are all solving the same problem: building strings of specific lengths and patterns. Here's the complete cross-language reference for string repetition and padding with practical formatting examples.

Jun 10, 2026

Stress Testing with Repetitive Data: The Edge Cases That Break Real Systems

Normal test data misses the edge cases that break real systems. Here's how repetitive and generated data exposes UI text overflow bugs, database cardinality issues, ReDoS vulnerabilities, and the principles behind fuzz testing and property-based testing.

Jun 9, 2026

String Repeater — Repeat Any Text Any Number of Times Instantly

Learn how to use a string repeater to generate repeated text for test data, divider lines, SQL placeholders, UI stress testing, and pattern generation — with separator options and real examples.

Jun 6, 2026