Regular Expressions 101

onthe literal text on (case sensitive)

\w+any word character, repeated at least once

\s?optionally matches any whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s?+optionally matches any whitespace character

Group 1("|')?

?repeats the group contents below at most once:

1st Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^"'>]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 2("|')?

?repeats the group contents below at most once:

1st Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Positive Lookahead(?=>)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

on\w+\s?=\s?+("|')?[^"'>]*("|')?(?=>)

New

<buttn onclick ="> onclick = alert(bob)>fds</buttn>dsadsadsa<p>