ulid VS EXREX

Compare ulid vs EXREX and see what are their differences.

ulid

Universally Unique Lexicographically Sortable Identifier (ULID) in Python 3 (by ahawker)
Random Generator Python Python3 Ulid Uuid
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EXREX

Irregular methods on regular expressions (by asciimoo)
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ulid EXREX
4 3
644 852
- -
0.0 3.7
about 1 year ago 4 months ago
Python Python
Apache License 2.0 GNU Affero General Public License v3.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

ulid

Posts with mentions or reviews of ulid. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-05.
  • Plan B for UUIDs: double AES-128
    4 projects | news.ycombinator.com | 5 Aug 2022
    I really like ULID for this problem (e.g: https://github.com/ahawker/ulid)

    - same number of bytes as UUID

    - start with a date, so has great locality. Plus you get extra information in the uid that you can extract.

    - can be created from an existing date or uuid, and exported to a uuid, so there is a migration path

  • New UUID Formats from IETF
    12 projects | news.ycombinator.com | 12 Jun 2022
    As the author of a popular ULID implementation in python[1], the spec has no stewardship anymore. The specification repo[2] has plenty of open issues and no real guidance or communication beyond language implementation authors discussing corner cases. The monotonic functionality is ambiguous (at best) and is implemented differently per-languages [3].

    Functionality, UUIDv7 might be the _same_ but the hope would be for a more rigid specification for interoperability.

    [1]: https://github.com/ahawker/ulid

    [2]: https://github.com/ulid/spec

    [3]: https://github.com/ulid/spec/issues/11

  • Sortable Collision-Free UUIDs
    10 projects | news.ycombinator.com | 3 May 2021
    Looks similar to ULID[0] (I am the author of a popular python implementation[1]).

    It appears to have a similar constraint that two ID's generated within the same timestamp (ms, ns) have no strong guarantee of ordering. That might not be a deal breaker depending on your use case but something to consider.

    * https://github.com/ulid/spec

    * https://github.com/ahawker/ulid

  • Usando ULIDs para criar ordem em dados não ordenados
    3 projects | dev.to | 12 Apr 2021

EXREX

Posts with mentions or reviews of EXREX. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-22.

What are some alternatives?

When comparing ulid and EXREX you can also consider the following projects:

ksuid - K-Sortable Globally Unique IDs

xeger - Library to generate random strings from regular expressions.

python-ulid - ULID implementation for Python

marc - Markov chain generator for Python and/or Swift

uuid - Generate RFC-compliant UUIDs in JavaScript

essential-generators - Dead Simple Document Generation

UUID - :snowflake: A PHP library for generating universally unique identifiers (UUIDs).

HotBits Python API - Python API for HotBits random data generator

ksuid - Java implementation of K-Sortable Globally Unique IDs

ulid vs ksuid EXREX vs xeger ulid vs python-ulid EXREX vs marc ulid vs uuid EXREX vs essential-generators ulid vs UUID EXREX vs HotBits Python API ulid vs xeger EXREX vs python-ulid ulid vs essential-generators ulid vs ksuid