Regular Expressions 101

^start of line

Negative Lookahead(?!.*[*|\x22:<>[\]{}`()';@&$])

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

Character Class[*|\x22:<>[\]{}`()';@&$]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\x22the literal " (22₁₆ / 42₈ / 34₁₀)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

`the literal ` (96₁₀ / 140₈ / 60₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

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

^(?!.*[*|\x22:<>[\]{}`()';@&$])

New

/[*|\":<>[\]{}`()';@&$]/
dwerfwefg