== Why is this an issue? include::../description.adoc[] === Noncompliant code example [source,javascript] ---- "cc̈d̈d".replace(/[c̈d̈]/g, "X"); // result is "XXXXXX" and not expected "cXXd" ---- === Compliant solution [source,javascript] ---- "cc̈d̈d".replace(/c̈|d̈/g, "X"); // result is "cXXd" ----