Regular Expressions 101

Character Class[][|JI]*

*matches any number of characters from the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Jthe literal J (74₁₀ / 112₈ / 4A₁₆) (case sensitive)

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

NLthe literal text NL (case sensitive)

Character Class[][|JI]*

*matches any number of characters from the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Jthe literal J (74₁₀ / 112₈ / 4A₁₆) (case sensitive)

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

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

Regular Expression

[][|JI]*NL[][|JI]*

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