Regex explained
Builds or explains a regular expression: the regex, a piece-by-piece breakdown, a table of matching and non-matching strings, and syntax variants for JavaScript, Python and PCRE.
Real example
Taken from the skill's “Example” section (in French: the skill answers in your language).
`
Objectif
Matcher prenom.nom@mon-ecole.fr (lettres, un point, lettres, arobase, domaine fixe), rejeter les formats sans point ou avec un autre domaine.
Regex
/^[a-z]+\.[a-z]+@mon-ecole\.fr$/i
Décomposition
Morceau · Rôle
^ · début de la chaîne
[a-z]+ · une ou plusieurs lettres (le prénom)
\. · un point littéral
@mon-ecole\.fr · domaine exact, le point est échappé
$ · fin de la chaîne
`
…
Install in two minutes
- 1
claude.ai or Claude Desktop
Settings, capabilities (skills) section, then import the .zip file.
- 2
Claude Code
Unzip the folder into
~/.claude/skills/: the/regex-expliqueecommand appears. - 3
Ask as usual
Claude triggers the skill on its own when your request matches.
The skill helps you learn and produce your own work; it never writes graded work for you. Check your school's rules on AI use.
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