Pattern
/\b[A-Z]{4}[A-Z]{2}[A-Z0-9]{2}(?:[A-Z0-9]{3})?\b/Sample text
DEUTDEFF NWBKGB2L CHASUS33XXXTest this pattern in the editor
SWIFT / BIC
8 or 11 character bank identifier codes.
Related patterns
Email addresses
Capture local and domain parts from common email shapes.
HTTP(S) URLs
Match protocol, host, and optional path/query.
Strong-ish password
Require length and mixed character classes (demo only).
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.