Regular Expressions 101

Pro

if the literal text if (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

q->paramthe literal text q->param (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 1([^']+)

Negated Character Class[^']+

+matches at least one character outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

=~ m/the literal text =~ m/ (case sensitive)

Group 2([^/]+)

Negated Character Class[^/]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

if \(\$q->param\('([^']+)'\) =~ m/([^/]+)/\)

New

if ($q->param('wordOne[]') =~ m/wordTwo/)
if ($q->param('wordSeventeen[]') =~ m/anwgknawhknawnhwanh/)

if (grep /\2/, $q->param('\1')) { ... }

if ($q->param('wordOne[]') =~ m/wordTwo/)
if ($q->param('wordSeventeen[]') =~ m/anwgknawhknawnhwanh/)