Regular Expressions 101

^start of line

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:app/business-signup|(?:[^a\n].?.?|.?[^p\n].?|.?.?[^p\n])(?:/.*|$)|...[^/\n].*)?

?repeats the group contents below at most once:

1st Alternativeapp/business-signup

app/business-signupthe literal text app/business-signup (case sensitive)

2nd Alternative(?:[^a\n].?.?|.?[^p\n].?|.?.?[^p\n])(?:/.*|$)

Non-Capturing Group(?:[^a\n].?.?|.?[^p\n].?|.?.?[^p\n])

1st Alternative[^a\n].?.?

Negated Character Class[^a\n]

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

\na line-feed (newline) character (ASCII 10)

.?optionally matches any character (except for line terminators)

2nd Alternative.?[^p\n].?

.?optionally matches any character (except for line terminators)

Negated Character Class[^p\n]

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

\na line-feed (newline) character (ASCII 10)

.?optionally matches any character (except for line terminators)

3rd Alternative.?.?[^p\n]

.?optionally matches any character (except for line terminators)

Negated Character Class[^p\n]

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:/.*|$)

1st Alternative/.*

/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

2nd Alternative$

$end of line

3rd Alternative...[^/\n].*

.any character (except for line terminators)

Negated Character Class[^/\n]

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

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

$end of line

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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Search reference

Regular Expression

^/(?:app/business-signup|(?:[^a\n].?.?|.?[^p\n].?|.?.?[^p\n])(?:/.*|$)|...[^/\n].*)?$

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