Regular Expressions 101

Pro

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 1([a-z]+)

Character Class[a-z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

Group 2([^<]+)*

*repeats the group contents below any number of times:

Negated Character Class[^<]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Non-Capturing Group(?:>(.*)<\/\1>|\s+\/>)

1st Alternative>(.*)<\/\1>

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 3(.*)

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\1the text saved by group 1

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative\s+\/>

\s+any whitespace character, repeated at least once

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

Detailed match information will be displayed here automatically.

25 tokens

<([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>)

New

<a>match only <b>the corresponding</b> tag</a> even if there is other <b> text </b>