Regular Expressions 101

<div class="row">the literal text <div class="row"> (case sensitive)

Character Class[\n\s]*

*matches any number of characters from the set below:

\na line-feed (newline) character (ASCII 10)

\sany whitespace character

<div class="col-md-6">the literal text <div class="col-md-6"> (case sensitive)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

div>the literal text div> (case sensitive)

Character Class[ \n\s]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\na line-feed (newline) character (ASCII 10)

\sany whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

div>the literal text div> (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.

Search reference

Regular Expression

<div class="row">[\n\s]*<div class="col-md-6">[^<]*<\/div>[ \n\s]*<\/div>

New

<div class="container header">
  <div class="row">
    <div class="col-md-6">This is the target text</div>
  </div>
</div><span /><a href...></a>Whatever
<div class="container header">
  <div class="row">
    <div class="col-md-6">This is the target text</div>
  </div>
</div>

Regular Expression

Substitution