Regular Expressions 101

"key"the literal text "key" (case sensitive)

Character Class[ :]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 1((?=\[)\[[^]]*\]|(?=\{)\{[^\}]*\}|\"[^"]*\")

1st Alternative(?=\[)\[[^]]*\]

Positive Lookahead(?=\[)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^]]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

2nd Alternative(?=\{)\{[^\}]*\}

Positive Lookahead(?=\{)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negated Character Class[^\}]*

*matches any number of characters outside the set below:

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

3rd Alternative\"[^"]*\"

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

"key"[ :]+((?=\[)\[[^]]*\]|(?=\{)\{[^\}]*\}|\"[^"]*\")

New

{"level":" Warning","message":"Invalid argument supplied for foreach() in /deploy/producao/sigesp-sad/application/views/scripts/recursos/visualizacaorecurso.phtml on line 70","ugcs_servidor":"172.29.1.154","ugcs_ambiente":"producao","ugcs_aplicacao":"sigesp-sad","ugcs_node":"04"}

Regular Expression

Substitution