Ruby | Regexp new() function

Regexp#new() : new() is a Regexp class method which returns a new regular expression pattern.

Syntax: Regexp.new()

Parameter: Regexp values

Return: a new regular expression pattern

Example #1 :

# Ruby code for Regexp.new() method

# declaring Regexp value
reg_a = Regexp.new('/a/')

 # declaring Regexp value
reg_c = Regexp.new('\*?{}.')

#  new method
puts "Regexp new form : #{reg_a}\n\n"

puts "Regexp new form : #{reg_c}\n\n"

Output :

Regexp new form : (?-mix:\/a\/)

Regexp new form : (?-mix:\*?{}.)

Example #2 :

# Ruby code for Regexp.new() method

# declaring Regexp value
reg_a = Regexp.new('/geeks/')

# declaring Regexp value
reg_b = Regexp.new('/(?<geeks>.)(?<for>.)(?<geeks>.)/')

# declaring Regexp value
reg_c = Regexp.new('\*?????{}.')


#  new method
puts "Regexp new form : #{reg_a}\n\n"

puts "Regexp new form : #{reg_b}\n\n"

puts "Regexp new form : #{reg_c}\n\n"

Output :

Regexp new form : (?-mix:\/geeks\/)

Regexp new form : (?-mix:\/(?.)(?.)(?.)\/)

Regexp new form : (?-mix:\*?????{}.)