Regular Expressions 101

Pro

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group tag(?P<tag>[a-zA-Z]+)

Character Class[a-zA-Z]+

+matches at least one character from the set below:

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

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Group data(?P<data>.*?)

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

Negative Lookahead(?!.+\")

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group body(?P<body>.*)

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

</the literal text </

(?P=tag)the text saved by group tag

>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

<(?P<tag>[a-zA-Z]+)(?P<data>.*?)(?!.+\")>(?P<body>.*)</(?P=tag)>

New

<body width=100 "<>">     <a> <a> </a> </a>       </body>

<body width=100 "<>">     <a> <a> </a> </a>       </body>