Regular Expressions 101

Pro

Character Class[A-Za-z'/\\%]+

+matches at least one character from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

Negative Lookahead(?![^{]*})

Negated Character Class[^{]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Negative Lookahead(?![^\[]*\])

Negated Character Class[^\[]*

*matches any number of characters outside the set below:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Negative Lookahead(?![^<]*>)

Negated Character Class[^<]*

*matches any number of characters outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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.

26 tokens

[A-Za-z'/\\%]+(?![^{]*})(?![^\[]*\])(?![^<]*>)

New

[beginning]<start>How's {the} /weather (\\today%?)[end]

[beginning]<start>How's {the} /weather (\\today%?)[end]