Regular Expressions 101

Explanation
Pro

1st Alternative.*<\/?tag>

.*any character (except for line terminators), repeated any number of times

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

tag>the literal text tag> (case sensitive)

2nd Alternative(.+)$

Group 1(.+)

.+any character (except for line terminators), repeated at least once

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

.*<\/?tag>|(.+)$

New

<tag>
    <tag>
        <tag>
            <i> abcd </i>
        </tag>
    </tag>
</tag>

<tag>
    <tag>
        efgh
    </tag>
</tag>

<tag>
    ijkl
</tag>

<tag>
    mnop
</tag>