angular-docs-cn/modules/@angular/core/testing/regexp.ts

11 lines
427 B
TypeScript

import {RegExpWrapper, StringWrapper} from '../src/facade/lang';
var _RE_SPECIAL_CHARS =
['-', '[', ']', '/', '{', '}', '\\', '(', ')', '*', '+', '?', '.', '^', '$', '|'];
var _ESCAPE_RE = RegExpWrapper.create(`[\\${_RE_SPECIAL_CHARS.join('\\')}]`);
export function containsRegexp(input: string): RegExp {
return RegExpWrapper.create(
StringWrapper.replaceAllMapped(input, _ESCAPE_RE, (match) => `\\${match[0]}`));
}