Regular Expressions 101

Pro

<hthe literal text <h (case insensitive)

Group 1([1-6])

Character Class[1-6]

1-6one character from 1 (49₁₀) to 6 (54₁₀)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 2([^<]*)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case insensitive)

Group 3([1-6])

Character Class[1-6]

1-6one character from 1 (49₁₀) to 6 (54₁₀)

>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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

<h([1-6])>([^<]*)<\/h([1-6])>

New

<h1>Titulo</h1>
bla bla bla
<h3>Outro titulo</h3>