Regular Expressions 101

findMethe literal text findMe (case insensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

Group 1('|")

1st Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2([^)]+)

Negated Character Class[^)]+

+matches at least one character outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\1the text saved by group 1

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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.

Search reference

Regular Expression

findMe\(\s*('|")([^)]+)\1\s*\)

New

function foo( param ) {
   findMe( 'foo' );
   findMe('bar');
}

function bar() {
   findMe("baz"); dontFindMe(); findMe( "blah"  );
}

findMe("foobar");