lbj96347/JS-Regular.html

## JS-Regular.html

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>javaScript正则表达式提取字符串中字母、数字、中文</title>
</head>
<body>
<input type="text" id="oText" value="李秉骏的常用代号是96347，英文名字是CashLee噢" size=100><br/>
<input type="button" value="number" onclick="get_character_you_want(this);">
<input type="button" value="chinese" onclick="get_character_you_want(this);">
<input type="button" value="english" onclick="get_character_you_want(this);">
<input type="button" value="checkout" onclick="checkout();">
<br>
<input id=my_value name="s" size=100 value="你爱输入什么都行没dfgdffg拭找34554imiadf测拭3453534sfgsf哈哈哈"><br/>
<input type="button" value="TEST" onclick="check_character_num()">
<br />
</body>
<script>
//window.alert(self['oText'].value=self['oText'].value.replace(/[^\u4E00-\u9FA5]/g,''));
function get_character_you_want(obj){
  var what_you_want = obj.value;
  var Regular_obj = [
    {"name" : "number" , "regular" : /[^\d]/g  },
    {"name" : "chinese" , "regular" : /[^\u4E00-\u9FA5]/g  },
    {"name" : "english" , "regular" : /[^a-zA-Z]/g }
  ];
  var check_string = document.getElementById("oText").value;
  for( var x in Regular_obj){
    if ( Regular_obj[x].name == what_you_want ){
      console.log( "提取的"+ Regular_obj[x].name + "是：" + check_string.replace( Regular_obj[x].regular , '' ) );
    }
  }
}

function check_character_num (){
  var my_value = document.getElementById('my_value');
  var num = my_value.value.match(/\d/g);
  var eng = my_value.value.match(/[a-z]/ig);
  var chi = my_value.value.match(/[^ -~]/g);
  console.log(num == null ? '没有数字' : '数字有 ' + num.length + ' 个，是：' + num.join('、'));
  console.log(eng == null ? '没有字母' : '字母有 ' + eng.length + ' 个，是：' + eng.join('、'));
  console.log(chi == null ? '没有中文' : '中文有 ' + chi.length + ' 个，是：' + chi.join('、'));
  console.log("在微博输入时，没有经过中英文处理，输入的字数:" + my_value.value.length);
  /*
   *
   * 字数统计中英文分流处理
   *
   */
  var en_num = parseInt( eng.length / 2 );
  var nu_num = parseInt( num.length / 2 );
  var final_num = chi.length + en_num + nu_num;
  console.log("在微博输入时，已经过中英文处理，输入的字数:" + final_num );
}

function checkout (){
  document.getElementById("oText").value = "测试用的niwienqiw你好Helloworldqew1231839噢";
}

</script>
</html>

	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<title>javaScript正则表达式提取字符串中字母、数字、中文</title>
	</head>
	<body>
	<input type="text" id="oText" value="李秉骏的常用代号是96347，英文名字是CashLee噢" size=100><br/>
	<input type="button" value="number" onclick="get_character_you_want(this);">
	<input type="button" value="chinese" onclick="get_character_you_want(this);">
	<input type="button" value="english" onclick="get_character_you_want(this);">
	<input type="button" value="checkout" onclick="checkout();">
	<br>
	<input id=my_value name="s" size=100 value="你爱输入什么都行没dfgdffg拭找34554imiadf测拭3453534sfgsf哈哈哈"><br/>
	<input type="button" value="TEST" onclick="check_character_num()">
	<br />
	</body>
	<script>
	//window.alert(self['oText'].value=self['oText'].value.replace(/[^\u4E00-\u9FA5]/g,''));
	function get_character_you_want(obj){
	var what_you_want = obj.value;
	var Regular_obj = [
	{"name" : "number" , "regular" : /[^\d]/g },
	{"name" : "chinese" , "regular" : /[^\u4E00-\u9FA5]/g },
	{"name" : "english" , "regular" : /[^a-zA-Z]/g }
	];
	var check_string = document.getElementById("oText").value;
	for( var x in Regular_obj){
	if ( Regular_obj[x].name == what_you_want ){
	console.log( "提取的"+ Regular_obj[x].name + "是：" + check_string.replace( Regular_obj[x].regular , '' ) );
	}
	}
	}

	function check_character_num (){
	var my_value = document.getElementById('my_value');
	var num = my_value.value.match(/\d/g);
	var eng = my_value.value.match(/[a-z]/ig);
	var chi = my_value.value.match(/[^ -~]/g);
	console.log(num == null ? '没有数字' : '数字有 ' + num.length + ' 个，是：' + num.join('、'));
	console.log(eng == null ? '没有字母' : '字母有 ' + eng.length + ' 个，是：' + eng.join('、'));
	console.log(chi == null ? '没有中文' : '中文有 ' + chi.length + ' 个，是：' + chi.join('、'));
	console.log("在微博输入时，没有经过中英文处理，输入的字数:" + my_value.value.length);
	/*
	*
	* 字数统计中英文分流处理
	*
	*/
	var en_num = parseInt( eng.length / 2 );
	var nu_num = parseInt( num.length / 2 );
	var final_num = chi.length + en_num + nu_num;
	console.log("在微博输入时，已经过中英文处理，输入的字数:" + final_num );
	}

	function checkout (){
	document.getElementById("oText").value = "测试用的niwienqiw你好Helloworldqew1231839噢";
	}

	</script>
	</html>