Lightning Network Invoice (BOLT-11)

Matches a Bitcoin Lightning Network payment invoice in BOLT-11 format — starts with lnbc, lntb, or lnbcrt.

✓ Lightning payment validation✓ Wallet apps✓ Bitcoin point-of-sale

Safe

Test String

2 matches

lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaqfppnqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqppnqqq
lntb100n1...

ll— 'l' — literal character

nn— 'n' — literal character

(…)Group #1— Capturing group — captures matched text for reuse or extraction

bb— 'b' — literal character

cc— 'c' — literal character

||— | — alternation: matches expression on left OR right

tt— 't' — literal character

bb— 'b' — literal character

||— | — alternation: matches expression on left OR right

bb— 'b' — literal character

cc— 'c' — literal character

rr— 'r' — literal character

tt— 't' — literal character

\d*digit— \d — digit (0–9) — repeated zero or more times (greedy) · * — zero or more times (greedy)

[…]?Character class […]— Matches any single character listed in this set — repeated zero or one time (optional) · ? — zero or one time (optional)

mm— 'm' — literal character

uu— 'u' — literal character

nn— 'n' — literal character

pp— 'p' — literal character

[…]+Character class […]— Matches any single character listed in this set — repeated one or more times (greedy) · + — one or more times (greedy)

a-za-z— a-z — range from 'a' to 'z'

0-90-9— 0-9 — range from '0' to '9'

Pattern: 33 charsInput: 188 chars

100% client-side · private

✓ Valid Examples

lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaqfppnqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqppnqqq
lntb100n1...

✗ Invalid Examples

bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq
not-an-invoice
lnxx123

Usage & Integration

Validate Lightning Network Invoice (BOLT-11) natively in your backend or frontend without copying regex strings.

Node / Edge

import { validate } from '@regexto/validators';

validate('lightning-invoice', '...');

Python

from regexto_validators import validate

validate("lightning-invoice", "...")

Go

import "github.com/regex-to/validators-go"

valid, err := validators.Validate("lightning-invoice", "...")

PHP

use RegexTo\Validators\Validator;

Validator::validate('lightning-invoice', '...');

Rust

use regexto_validators::validate;

let is_valid = validate("lightning-invoice", "...").unwrap();