Regular Expressions 101

Group 1(.)

.any character (except for line terminators)

Negative Lookahead(?![^(]*\))

Negated Character Class[^(]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(.)(?![^(]*\))

New

010000000
(10)1140006x
002200010
00000(11)01x
311200