Regular Expressions 101

Group 1(<|>)

1st Alternative<

<the literal < (60₁₀ / 74₈ / 3C₁₆)

2nd Alternative>

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Negative Lookahead(?!(<span[^>]+class\s*=\s*("|')subValue\2[^>]*>)[^<]*(<\/span>)|(<br[\/]*>))

1st Alternative(<span[^>]+class\s*=\s*("|')subValue\2[^>]*>)[^<]*(<\/span>)

Group 2(<span[^>]+class\s*=\s*("|')subValue\2[^>]*>)

<spanthe literal text <span (case insensitive)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

classthe literal text class (case insensitive)

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

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

Group 3("|')

1st Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

subValuethe literal text subValue (case insensitive)

\2the text saved by group 2

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 4(<\/span>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

span>the literal text span> (case insensitive)

2nd Alternative(<br[\/]*>)

Group 5(<br[\/]*>)

<brthe literal text <br (case insensitive)

Character Class[\/]*

*matches any number of characters from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(<|>)(?!(<span[^>]+class\s*=\s*("|')subValue\2[^>]*>)[^<]*(<\/span>)|(<br[\/]*>))

New

<span class="subValue"></span>
<br>
<br>
<span class='subValue'>dsa</span>
<>

<span class="subValue"></span>
<br>
<br>
<span class='subValue'>dsa</span>
<>