Using regular expressions, we search for patterns in strings.

He has a very passive personality.

This twin crystal has a very unusual shape.

This bicone shape is mathematically very interesting.

The celestial pair is beautifully coloring the night sky.

My zodiac sign is Gemini.

My favorite Sosei features beautiful depictions of daffodils and ume flowers.

The dual number does not exist in English grammar.

Differential geometry is a field of mathematics that studies geometric objects such as curves and surfaces using differential and integral calculus.

Understanding geometric series is important in learning the basics of advanced mathematics.