regex101: PCRE (Legacy) Substitution Workspace

Regular Expression

href="\/

New

<html>
    <head>
        <title>Hello</title>
    </head>
    <body>
        <p>this is a simple text in html file</p>
        <a href="https://google.com">Google</a>
        <a href="/frontend/login/">Login</a>
        <a href="/something/work/">Something</a>
    </body>
 </html>

Substitution

href="\/more\/

<html>
    <head>
        <title>Hello</title>
    </head>
    <body>
        <p>this is a simple text in html file</p>
        <a href="https://google.com">Google</a>
        <a href="/frontend/login/">Login</a>
        <a href="/something/work/">Something</a>
    </body>
 </html>