Regular Expressions 101

Pro

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Itemsthe literal text Items (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

.*?any character (except for line terminators), repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 1(\W.*(?!\.Select\(.+\)))?

?repeats the group contents below at most once:

\Wany non-word character

.*any character (except for line terminators), repeated any number of times

Negative Lookahead(?!\.Select\(.+\))

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Selectthe literal text Select (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

.+any character (except for line terminators), repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 2(\W.*)?

?repeats the group contents below at most once:

\Wany non-word character

.*any character (except for line terminators), 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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\.Items\(.*?\)(\W.*(?!\.Select\(.+\)))?(\W.*)?\;

New

Cars.Items()
  .Where(x => x.Year == "1988")
  .Select(x => new { x.Registration })
  .ToList();

Cars.Items()
  .Where(x => x.Id == 1923984)
  .Select(x => new { x.Registration })
  .FirstOrDefault;

Cars.Items()
  .Where(x => x.Id == 1923984)
  .FirstOrDefault;

Cars.Items();

Cars.Items()
.GroupBy(g => g.Key).First();