정규식 - First character

First character

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>문장을 입력해 보세요.</label>
            <div class="input-group mb-3">
            <textarea class="form-control" v-model="text"></textarea>
            </div>
        </div>
        <div class="form-group">
            <div class="input-group mb-3">
            <textarea class="form-control" :value="output" readonly></textarea>
            </div>
        </div>
    </form>
</div>

CSS

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

Vue

new Vue({
    el: "#app",
    data: {
        text: "hello world",
    },
    computed: {
        output() {
            return this.text.replace(/\b[a-z]/g, (v) => v.toUpperCase());
        }
    },
    methods: {},
    mounted() {}
})