Regular Expressions 101

.*?any character, repeated any number of times

Group 1( <div\ id="content" .+? )

<divthe literal text <div (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

id="content" the literal text id="content" (case sensitive)

.+?any character, repeated at least once

<divthe literal text <div (case sensitive)

\ the literal (32₁₀ / 40₈ / 20₁₆)

id="footer the literal text id="footer (case sensitive)

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

.*?
(
    <div\ id="content"
    .+?
)
<div\ id="footer

New

hello this is some text I don't want
asdf
asdfasd
ff
<div id="content" class="other">
i have this other stuff 
<div>More stuff</div>
<div id="footer> 
hello^[^_]*_
asd;flkjasd
f;kas
dfas
df
asdf a2		5<div id="footer"><div id="content></div>

Regular Expression

Extraction