@
@example.com
https://example.com/users/
$
.00
With textarea
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon1">@</span>
    </div>
    <input type="text" class="form-control" placeholder="Username">
</div>

<div class="input-group mb-3">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append">
        <span class="input-group-text" id="basic-addon2">@example.com</span>
    </div>
</div>

<label for="basic-url">Your vanity URL</label>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
    </div>
    <input type="text" class="form-control" id="basic-url">
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text">$</span>
    </div>
    <input type="text" class="form-control">
    <div class="input-group-append">
        <span class="input-group-text">.00</span>
    </div>
</div>

<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text">With textarea</span>
    </div>
    <textarea class="form-control"></textarea>
</div>
@
<div class="input-group flex-nowrap">
    <div class="input-group-prepend">
        <span class="input-group-text" id="addon-wrapping">@</span>
    </div>
    <input type="text" class="form-control" placeholder="Username">
</div>
Small
Default
Large
<!-- Small -->
<div class="input-group input-group-sm mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-sm">Small</span>
    </div>
    <input type="text" class="form-control">
</div>

<!-- Default -->
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-default">Default</span>
    </div>
    <input type="text" class="form-control">
</div>

<!-- Large -->
<div class="input-group input-group-lg">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-lg">Large</span>
    </div>
    <input type="text" class="form-control">
</div>

Checkboxes and Radios Input Group

<!-- Checkbox -->
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <div class="input-group-text">
            <input type="checkbox">
        </div>
    </div>
    <input type="text" class="form-control">
</div>

<!-- Radio -->
<div class="input-group">
    <div class="input-group-prepend">
        <div class="input-group-text">
            <input type="radio">
        </div>
    </div>
    <input type="text" class="form-control">
</div>
First and last name
<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text">First and last name</span>
    </div>
    <input type="text" class="form-control">
    <input type="text" class="form-control">
</div>
$ 0.00
$ 0.00
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text">$</span>
        <span class="input-group-text">0.00</span>
    </div>
        <input type="text" class="form-control">
    </div>

<div class="input-group">
    <input type="text" class="form-control">
    <div class="input-group-append">
        <span class="input-group-text">$</span>
        <span class="input-group-text">0.00</span>
    </div>
</div>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary" type="button" id="button-addon1">Button</button>
    </div>
    <input type="text" class="form-control" placeholder="">
</div>

<div class="input-group mb-3">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append">
        <button class="btn btn-outline-dark" type="button" id="button-addon2">Button</button>
    </div>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend" id="button-addon3">
        <button class="btn btn-outline-primary" type="button">Button</button>
        <button class="btn btn-outline-primary" type="button">Button</button>
    </div>
    <input type="text" class="form-control" placeholder="">
</div>

<div class="input-group">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append" id="button-addon4">
        <button class="btn btn-outline-success" type="button">Button</button>
        <button class="btn btn-outline-success" type="button">Button</button>
    </div>
</div>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
        Dropdown</button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
    <input type="text" class="form-control">
</div>

<div class="input-group">
    <input type="text" class="form-control">
    <div class="input-group-append">
        <button class="btn btn-outline-primary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
        Dropdown</button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
</div>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button type="button" class="btn btn-outline-primary">Action</button>
        <button type="button" class="btn btn-outline-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true"
        aria-expanded="false">
            <span class="sr-only">Toggle Dropdown</span>
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
    <input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
</div>

<div class="input-group">
    <input type="text" class="form-control" aria-label="Text input with segmented dropdown button">
    <div class="input-group-append">
        <button type="button" class="btn btn-outline-success">Action</button>
        <button type="button" class="btn btn-outline-success dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true"
        aria-expanded="false">
            <span class="sr-only">Toggle Dropdown</span>
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
</div>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <label class="input-group-text">Options</label>
    </div>
        <select class="custom-select">
        <option selected>Choose...</option>
        <option value="1">One</option>
        <option value="2">Two</option>
        <option value="3">Three</option>
    </select>
</div>

<div class="input-group mb-3">
    <select class="custom-select">
    <option selected>Choose...</option>
        <option value="1">One</option>
        <option value="2">Two</option>
        <option value="3">Three</option>
        </select>
    <div class="input-group-append">
        <label class="input-group-text">Options</label>
    </div>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
    <select class="custom-select">
        <option selected>Choose...</option>
        <option value="1">One</option>
        <option value="2">Two</option>
        <option value="3">Three</option>
    </select>
</div>

<div class="input-group">
    <select class="custom-select">
        <option selected>Choose...</option>
        <option value="1">One</option>
        <option value="2">Two</option>
        <option value="3">Three</option>
    </select>
    <div class="input-group-append">
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
</div>
Upload
Upload
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text">Upload</span>
    </div>
    <div class="custom-file">
        <input type="file" class="custom-file-input">
        <label class="custom-file-label">Choose file</label>
    </div>
</div>

<div class="input-group mb-3">
    <div class="custom-file">
        <input type="file" class="custom-file-input">
        <label class="custom-file-label">Choose file</label>
    </div>
    <div class="input-group-append">
        <span class="input-group-text">Upload</span>
    </div>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
    <div class="custom-file">
        <input type="file" class="custom-file-input">
        <label class="custom-file-label">Choose file</label>
    </div>
</div>

<div class="input-group">
    <div class="custom-file">
        <input type="file" class="custom-file-input">
        <label class="custom-file-label">Choose file</label>
    </div>
    <div class="input-group-append">
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
</div>