(input: unknown): input is RegExpChecks whether a value is a RegExp.
When to use
Use to validate unknown input before treating it as a regular expression.
Example (Checking for regular expressions)
import { RegExp } from "effect"
import * as assert from "node:assert"
assert.deepStrictEqual(RegExp.isRegExp(/a/), true)
assert.deepStrictEqual(RegExp.isRegExp("a"), false)guards
Source effect/RegExp.ts:611 lines
export const const isRegExp: (
input: unknown
) => input is RegExp
Checks whether a value is a RegExp.
When to use
Use to validate unknown input before treating it as a regular expression.
Example (Checking for regular expressions)
import { RegExp } from "effect"
import * as assert from "node:assert"
assert.deepStrictEqual(RegExp.isRegExp(/a/), true)
assert.deepStrictEqual(RegExp.isRegExp("a"), false)
isRegExp: (input: unknowninput: unknown) => input: unknowninput is RegExp = import predicatepredicate.isRegExp