Regular Expressions 101

Pro

defthe literal text def (case sensitive)

Group 1(p|macro|protocol|macrop)?

?repeats the group contents below at most once:

1st Alternativep

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

2nd Alternativemacro

macrothe literal text macro (case sensitive)

3rd Alternativeprotocol

protocolthe literal text protocol (case sensitive)

4th Alternativemacrop

macropthe literal text macrop (case sensitive)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 2([a-zA-Z]+)

Character Class[a-zA-Z]+

+matches at least one character from the set below:

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

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

Group 3(\([a-zA-Z, ]+\))?

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[a-zA-Z, ]+

+matches at least one character from the set below:

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

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

dothe literal text do (case sensitive)

Group 4([\s\S]+?)

Character Class[\s\S]+?

+?matches at least one character from the set below:

\sany whitespace character

\Sany non-whitespace character

endthe literal text end (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

def(p|macro|protocol|macrop)? ([a-zA-Z]+)(\([a-zA-Z, ]+\))? do([\s\S]+?)end

defmacro macro(param) do
  #hard stuff
end

defmacrop another_macro(params) do
 bla
 bla
 bla
end

def dupa(a, b) do
  a + b
end
defprotocol Blank do
  @fallback_to_any true
  def blank?(data)
end

Extraction

defmacro macro(param) do
  #hard stuff
end

defmacrop another_macro(params) do
 bla
 bla
 bla
end

def dupa(a, b) do
  a + b
end
defprotocol Blank do
  @fallback_to_any true
  def blank?(data)
end