Falsehood

International Bank Account Numbers are not international.

Currency validity date ranges overlap due to revolts, invasions, new constitutions, and slow planned adoption.

A PHP 5.4+ tax management library.

A list of mistaken perspectives on Bitcoin.

Takes on the first article above and provides an explanation of each falsehood, with more context and external resources.

An giant list of formats from the two standards, how they overlaps, and live examples.

Code and data that represent the history of local time for many representative locations around the globe.

A library that implements RFC-based checks for e-mail addresses.

A curated list of delightful Unicode tidbits, packages and resources.

Compilation of real-word international and diverse name data for unit testing and QA.

A huge corpus of strings which have a high probability of causing issues when used as user-input data. A must have set of practical edge-cases to test your software against.

An attempt to validate hostnames in Python.

Covers phone numbers, their representation and meaning.

Google's common C++ and Java library for parsing, formatting, and validating international postal addresses.

A PHP 5.4+ addressing library, powered by Google's dataset.

Python module to parse, normalize and render postal addresses.

Go library to validate and format addresses using Google's dataset.

Attributing an identity to a software release might be harder than thought.

Covers package and their managers.

State machines are often misunderstood and under-applied.

Common misconceptions about quantum technology and computers.

Even something as common as defining a car is full of pitfalls.

Assumptions about typography on the web and in desktop applications.