This library is a modified version of Raphael Graf’s ActionScript Expression Parser. When I wrote the JavaScript Function Plotter, I wanted a better alternative to using JavaScript’s eval function.

This library is a modified version of Raphael Graf’s ActionScript Expression Parser. When I wrote the JavaScript Function Plotter, I wanted a better alternative to using JavaScript’s eval function.

In this blog, we are discussing the uses of the regular expression in the validation a file extension before uploading. Regular expression is a set of the symbol or character or both and it is used in ...