As many have stated there is no standard library, fortunately I have written a Javascript implementation that does exactly what you require. With some minor limitation it works for regular expressions supported by Javascript. 
see: [incr-regex-package][1].

Further there is also a react component that uses this capability to provide some useful capabilities:

 1. Check input as you type
 2. Auto complete where possible
 3. Make suggestions for po

  [1]: https://github.com/nurulc/incr-regex-package