constraints()

Signature

constraints() — returns struct

Available in: mapper Category: Routing

Description

Set variable patterns to use for matching.

Examples

<cfscript>

mapper()
    // 1. Constrain a dynamic segment to digits only
    .constraints(id="[0-9]+")
        .resources(name="articles")
    .end()

    // 2. Constrain multiple segments — numeric id and lowercase-only slug
    .constraints(id="[0-9]+", slug="[a-z\-]+")
        .get(name="article", to="articles##show")
        .get(name="articleBySlug", to="articles##showBySlug")
    .end()
.end();

</cfscript>