Implement the form verification of the form through the regular expression as Chinese

JavaScript form verification whether it is Chinese, determine whether an input is Chinese, and implement it through regular expression.

Copy code code as follows:

// Check whether it is Chinese

Function iSchn (STR) {

var reg = /^[u4e00-u9fa5]+$ /;

if (! reg.Test (STR)) {

Return false;

}

Return true;

}