Your pattern
Tokens go in braces, like {year} or {seq:5}. Names the library does not know
become fields below. The same token twice gives the same value. Write {{ for a literal brace.
Next ID
Generated so far
Nothing generated yet. The preview above never uses up a number.
Standard formats
Same library, no pattern needed. Time-ordered formats sort by creation time, which keeps database indexes compact. Random formats are the ones to use where nobody should guess the next value.
| Format | Example | Length | Sorts by time | Actions |
|---|
Read an ID
UUIDs and ULIDs show their version and creation time. IDs that fit your pattern above are split into their values.