uCalc API Version: 2.1.3-preview.2 Released: 6/16/2026
Warning
uCalc API Preview Release Notice:The documentation describes the intended behavior of the API. The current preview build contains incomplete features, unoptimized performance, and is subject to breaking changes.
RegExGrammar
Enum
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 |
Remarks
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