Percentages

Integer or decimal percentage values.

Pattern

/\b\d{1,3}(?:\.\d+)?%/

CPU 87%
Growth 12.5%
Bad 1000%

Capture local and domain parts from common email shapes.

Match HH:MM or HH:MM:SS clock times.

kebab-case slugs for routes and CMS paths.

Standard 8-4-4-4-12 hex UUID layout.

Stricter UUID version 4 with variant bits.

5-digit ZIP or ZIP+4.