Regular Expressions 101

1st Alternative<button[^<]*>.*[\s\S]*<\/button>

<buttonthe literal text <button (case sensitive)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

Character Class[\s\S]*

*matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

button>the literal text button> (case sensitive)

2nd Alternative<iframe[^<>]*\/>

<iframethe literal text <iframe (case sensitive)

Negated Character Class[^<>]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

3rd Alternative<tr>[^<td>]*<\/tr>

<tr>the literal text <tr> (case sensitive)

Negated Character Class[^<td>]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

tr>the literal text tr> (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

<button[^<]*>.*[\s\S]*<\/button>|<iframe[^<>]*\/>|<tr>[^<td>]*<\/tr>

New

<table width="30px">
<P>Teste</p><iframe src="teste" /><p>Test</p>
<div><span>Teste Regex</span></div>
<p>Test</p><button onclick="myFunction()">Click me</button>
<table>
<tr><td>34</td></tr>>
</table>

Regular Expression

Substitution