Regular Expressions 101

Negative Lookahead(?!{ignoreme})

{ignoreme}the literal text {ignoreme} (case insensitive)

Character Class[\s\[\]{}()<>\\'"|^`]

\sany whitespace character

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

^the literal ^ (94₁₀ / 136₈ / 5E₁₆)

`the literal ` (96₁₀ / 140₈ / 60₁₆)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

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Search reference

Regular Expression

(?!{ignoreme})[\s\[\]{}()<>\\'"|^`]

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