Regular Expressions 101

^start of line

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1(.+?)

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?: .*)

the literal (32₁₀ / 40₈ / 20₁₆)

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

$end of line

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.

27 tokens

Regular Expression

^\s*\((.+?)\)(?: .*)$

New

(RA-B) RA-B三室两卫
(RA-B(NOC)) RA-B-NOC三室两卫
(RA-A) RA-A三室两卫
(RA-A(T)) RA-A(T)三室两卫
(more wicked) example
(WTF CODE CONTAINS WHITESPACES!) still it works
This (violates) the rule.
(Needs a whitespace)after the parenthesis.
((Nested) parentheses) causes unexpected results.
(Badly (paired) parentheses ain't my fault.