Regular Expressions 101

Non-Capturing Group(?:^<p class="text_formal">|\G)

1st Alternative^<p class="text_formal">

^start of line

<p class="text_formal">the literal text <p class="text_formal"> (case sensitive)

2nd Alternative\G

\Gstart of current search

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

\s*any whitespace character, repeated any number of times

Group 1(\S+)

\S+any non-whitespace character, repeated at least once

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.

Search reference

Regular Expression

(?:^<p class="text_formal">|\G)\K\s*(\S+)

New

<p class="test_formal"> This is my text    <em>and all of  this</em> I have    to go home .</p>

<p class="test_formal"> This is my text    <em>and all of  this</em> I have    to go home .</p>

<p class="test_Bla Blal"> This is my text    <em>and all of  this</em> I have    to go home .</p>

Regular Expression

Extraction