Regular Expressions 101

1st Alternative(?!^)\[(?=(?:[^"]*"[^"]*")*[^"]*$)

Negative Lookahead(?!^)

^start of line

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Positive Lookahead(?=(?:[^"]*"[^"]*")*[^"]*$)

Non-Capturing Group(?:[^"]*"[^"]*")*

*repeats the group contents below any number of times:

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

$end of line

2nd Alternative\](?!$)(?=(?:[^"]*"[^"]*")*[^"]*$)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Negative Lookahead(?!$)

$end of line

Positive Lookahead(?=(?:[^"]*"[^"]*")*[^"]*$)

Non-Capturing Group(?:[^"]*"[^"]*")*

*repeats the group contents below any number of times:

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

$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.

25 tokens

Regular Expression

(?!^)\[(?=(?:[^"]*"[^"]*")*[^"]*$)|\](?!$)(?=(?:[^"]*"[^"]*")*[^"]*$)

New

[[{"OptionChoice":14151,"OptionText":"Television"},{"OptionChoice":14755,"OptionText":"Test[ something ]"}],{"OptionChoice":361,"OptionText":"Yes"}]

[[{"OptionChoice":14151,"OptionText":"Television"},{"OptionChoice":14755,"OptionText":"Test[ something ]"}],{"OptionChoice":361,"OptionText":"Yes"}]