Regular Expressions 101

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 1(url|title|tags)

1st Alternativeurl

urlthe literal text url (case sensitive)

2nd Alternativetitle

titlethe literal text title (case sensitive)

3rd Alternativetags

tagsthe literal text tags (case sensitive)

":the literal text ":

Group 2("([^""]+)"|\[[^[]+])

1st Alternative"([^""]+)"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3([^""]+)

Negated Character Class[^""]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative\[[^[]+]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^[]+

+matches at least one character outside the set below:

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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.

Search reference

Regular Expression

"(url|title|tags)":("([^""]+)"|\[[^[]+])

New

"url":"http://www.netcharles.com/orwell/essays.htm",
"domain":"netcharles.com",
"title":"Orwell Essays & Journalism Section - Charles' George Orwell Links",
"tags":["orwell","writing","literature","journalism","essays","politics","essay","reference","language","toread"],

"index":2931,
"time_created":1345419323,
"num_saves":24

Regular Expression

Substitution