Validating uppercase letters, numbers, and Chinese in JavaScript

Source: Internet
Author: User
Tags lowercase

This article describes using JavaScript to verify uppercase and lowercase letters, numbers, and Chinese, as shown below

The code is as follows: var reg =/^[u4e00-u9fa5]+$/;  Verify Chinese var cp=$ ("Input[name= ' Cpid ')"). Val ();  for (Var i=0;i<cp.length;i++) {var cpp=cp.charat (i); if (!reg.test (CPP) | | Cpp.match (/^ ([A-Z)) +$/) | |  Cpp.match (/^d+$/)) {//Verify capital letters, numbers, and Chinese document.getElementById ("Div2"). style.display= "Block";  document.getElementById ("Div2"). style.color= "Red"; $ ("#div2"). Text ("* All lowercase letters must be entered!!!  ");  return false; }
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