정규식 - 특정문자

특정문자

by jinam yu

HTML

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<div id="app">
  <form class="p-4">
    <div class="form-group">
      <label for="exampleInputEmail1">숫자만 가능</label>
      <input type="text" class="form-control" :class="valid('number')?'is-valid':'is-invalid'" v-model="number" />
    </div>
    
    <div class="form-group">
      <label for="exampleInputEmail1">영문만 가능</label>
      <input type="text" class="form-control" :class="valid('alphabet')?'is-valid':'is-invalid'" v-model="alphabet" />
    </div>
    
    <div class="form-group">
      <label for="exampleInputEmail1">한글만 가능</label>
      <input type="text" class="form-control" :class="valid('korean')?'is-valid':'is-invalid'" v-model="korean" />
    </div>
  </form>
</div>

CSS

html, body {
  background-color: #f8f9fa;
}

Vue

new Vue({
  el: "#app",
  data: {
    number: "1234",
    alphabet: "abcd",
    korean: "가나다라",
  },
  computed: {},
  methods: {
  	valid( type ){
    	if(type === "number") return /^[0-9]+$/g.test(this.number);
    	if(type === "alphabet") return /^[a-zA-Z]+$/g.test(this.alphabet);
      if(type === "korean") return /^[가-힣]+$/g.test(this.korean);
    }
  },
  mounted() {}
})