Regular Expressions 101

Pro

1st Alternative$[^()]*$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative\[[^][]*]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^][]*

*matches any number of characters outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

3rd Alternative\{[^{}]*}

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negated Character Class[^{}]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

4th Alternative(\w+[])}]|[([{]\w+)

Group 1(\w+[])}]|[([{]\w+)

1st Alternative\w+[])}]

\w+a Unicode word character, repeated at least once

Character Class[])}]

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

2nd Alternative[([{]\w+

Character Class[([{]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\w+a Unicode word character, repeated at least once

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

\([^()]*\)|\[[^][]*]|\{[^{}]*}|(\w+[])}]|[([{]\w+)

It is} [fine] day It is) {fine} day

It is} [fine] day It is) {fine} day