Regular Expressions 101

Pro

Carsthe literal text Cars (case insensitive)

Atomic Group(?>\.(?!select)\w+(?:\([^)]*\))?\s*)+

+repeats the group contents below at least once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negative Lookahead(?!select)

selectthe literal text select (case insensitive)

\w+any word character, repeated at least once

Non-Capturing Group(?:\([^)]*\))?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^)]*

*matches any number of characters outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

\;the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

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25 tokens

Cars(?>\.(?!select)\w+(?:\([^)]*\))?\s*)+\;

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