What do the pattern letters mean?

L is a random uppercase letter, l is lowercase, d is a digit, and s is a symbol.

How do I include a literal L or d in the output?

Escape it with a backslash, e.g. \L outputs a literal capital L.

How many strings can I generate at once?

Up to 1000 lines per generation.

Random Text From Pattern

Generate random strings from a custom pattern.

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Pattern

Pattern (L=upper, l=lower, d=digit, s=symbol, \\ escapes)

Count

Generated text

FWL-405-ro
LNN-067-gg
QRJ-671-fb
FUC-526-vx
MMW-997-xs
SBD-172-hk
ZAA-783-wh
HIB-435-or
RAL-316-bl
ZGN-893-po

About the Random Text From Pattern

Generate batches of random text such as codes, IDs, or license keys from a simple pattern syntax: L for uppercase, l for lowercase, d for digit, s for symbol, and backslash to escape literal characters.

Examples

Pattern LLL-ddd

LLL-ddd

Output

ABC-123

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser