Pattern
/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d).{8,}$/Sample text
Abcdef12 weak NoDigitsHere Short1aTest this pattern in the editor
Strong-ish password
Require length and mixed character classes (demo only).
Related patterns
Email addresses
Capture local and domain parts from common email shapes.
HTTP(S) URLs
Match protocol, host, and optional path/query.
Usernames
3–16 chars: letter start, then letters, digits, underscore.
E.164 phone numbers
International numbers with leading + and country code.
Russian phone numbers
Common +7 / 8 mobile formats with optional separators.
US phone numbers
North American formats with optional country code.