Regular Expressions 101

Pro

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group tagName(?<tagName>\w+)

\w+any word character, repeated at least once

Group 2(([^<]*\/>)|(.*?\/(\k<tagName>)>))

1st Alternative([^<]*\/>)

Group 3([^<]*\/>)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

2nd Alternative(.*?\/(\k<tagName>)>)

Group 4(.*?\/(\k<tagName>)>)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 5(\k<tagName>)

\k<tagName>the text saved by group tagName

>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

Regular Expression

<(?<tagName>\w+)(([^<]*\/>)|(.*?\/(\k<tagName>)>))

New

    <child name = "child_name1" type = "child_type1">        <subchild id = "1" auth="auth1">Value1</subchild>    </child>    <child name = "child_name2" type = "child_type2">        <subchild id = "2" auth="auth1">Value2</subchild>        <subchild id = "3" auth="auth2">Value3</subchild>        <subchild id = "4" auth="auth3"></subchild>        <subchild id = "5" auth="auth3"/>    </child>