Regular Expressions 101

Pro

Group 1(<title>([^<>]*)<\/title>.*?<content>)

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

Group 2([^<>]*)

Negated Character Class[^<>]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

title>the literal text title> (case sensitive)

.*?any character, repeated any number of times

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

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(<title>([^<>]*)<\/title>.*?<content>)

New

<xml>
 <item>
  <title>Title 1</title>
  <content>Text 1</content>
 </item>
 <item>
  <title>Title 2</title>
  <content>Text 2</content>
 </item>
</xml>

Substitution

\1\2

<xml>
 <item>
  <title>Title 1</title>
  <content>Text 1</content>
 </item>
 <item>
  <title>Title 2</title>
  <content>Text 2</content>
 </item>
</xml>