uCalc API Version: 5.7.0-preview.1 Released: 7/30/2026
Warning
uCalc API Preview Release Notice:This preview documentation describes the intended behavior of the API. It is not fully accurate or complete.The current preview build contains incomplete features, unoptimized performance, and is subject to breaking changes.Use of the preview version in your production code is not recommended.
RegEx grammar option for defining tokens
| Name ▲ ▼ | Value ▲ ▼ | Description ▲ ▼ |
|---|---|---|
| Default | Default grammar; ECMAScript is the default | |
| ECMAScript | JavaScript-like regex grammar | |
| basic | Basic POSIX grammar (BRE) | |
| extended | Extended POSIX grammar (ERE) | |
| awk | awk POSIX grammar | |
| grep | grep POSIX grammar | |
| egrep | egrep POSIX grammar | |
| ICU | +++ International Components for Unicode will be the new default |
When tokens are defined with [topic: uCalc.Tokens.Add] a RegEx grammar from this list can be selected.These are based on the C++ standard library options for regular expressions.
International Components for Unicode will be the new default