Regular Expressions 101

Group 1(["'])

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

\1the text saved by group 1

Negative Lookahead(?![^\s])

Negated Character Class[^\s]

\sany whitespace character

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(["']).*\1(?![^\s])

New

"a'b"
"ab"
'ffg' "hhh"
""
''
"'"
'acd" 'gf
"Don't forget the @"