Regular Expressions 101

1st Alternative<section .*?class="product".*?>\s*<h3>\s*(.+?)\s*<\/h3>.*?<\/section>\s*

<section the literal text <section (case sensitive)

.*?any character, repeated any number of times

class="product"the literal text class="product" (case sensitive)

.*?any character, repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

<h3>the literal text <h3> (case sensitive)

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

Group 1(.+?)

.+?any character, repeated at least once

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

h3>the literal text h3> (case sensitive)

.*?any character, repeated any number of times

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

section>the literal text section> (case sensitive)

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

2nd Alternative<art .*?id="src".*?>

<art the literal text <art (case sensitive)

.*?any character, repeated any number of times

id="src"the literal text id="src" (case sensitive)

.*?any character, repeated any number of times

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

<section .*?class="product".*?>\s*<h3>\s*(.+?)\s*<\/h3>.*?<\/section>\s*|<art .*?id="src".*?>

New

<art id="src">
  <section class="product">
    <h3>xvd</h3>
    <p>
     sjfdsjvdvds
    </p>
  </section>
  <section class="product">
    <h3>avdsvd</h3>
    <p>
    djsfdsjgdjs
    </p>
  </section>
  <section class="product">
    <h3>zdvdsv</h3>
    <p>
 safdgdsghhrh
    </p>
  </section>
  <section class="product">
    <h3>dd</h3>
    <p>zscsvdsvdsv</p>
  </section>
</art>

Regular Expression

Substitution