Regex syntax
Regex syntax
Function
Explains the basic BT regular-expression syntax: create a Regex object with regex(pattern, flags), then call test, match, or replace, or pass it to String.search, String.match, or String.replace.
Syntax
regex(pattern, flags)
Parameters
| Parameters | Type | Required | Default value | Description |
|---|---|---|---|---|
| pattern | String | No | '' | Regular body. |
| flags | String | No | '' | Flags string. |
Return value
| Type | Description |
|---|---|
| Regex | Returns a Regex object. |
Example
rule = regex('^BT$', '') result = rule.test('BT') // Output: true print result
Notes
- Uses Rust regex engine under the hood.
- A Chinese error will be thrown when regular compilation fails.