Regular Expressions 101

Pro

Positive Lookbehind(?<=\{)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Positive Lookahead(?=.*?\"t\"\s*:\s*2)

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

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

Positive Lookahead(?=\})

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

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

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25 tokens

(?<=\{)(?=.*?\"t\"\s*:\s*2).*?(?=\})

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