Ruby | Regexp =~() function

Regexp#=~() : =~() is a Regexp class method which matches a regular expression against a string. 

Syntax: Regexp.=~()
Parameter: Regexp values
Return: true – if two regular expressions matches string otherwise return false

Example #1 :

Ruby

# Ruby code for Regexp.=~() method

# declaring Regexp value
reg_a = /a/

# declaring Regexp value
reg_b = /geeks/

# declaring Regexp value
reg_c = /a/


#  =~ method
puts "Regexp =~ form : #{reg_a =~ "happy"}\n\n"

puts "Regexp =~ form : #{reg_b =~ "geeksforgeeks"}\n\n"

puts "Regexp =~ form : #{reg_c =~ "goal"}\n\n"

Output :

Regexp =~ form : 1

Regexp =~ form : 0

Regexp =~ form : 2

Example #2 :

Ruby

# Ruby code for Regexp.=~() method

# declaring Regexp value
reg_a = /geeks/

# declaring Regexp value
reg_b = /problem/

# declaring Regexp value
reg_c = /code/


#  =~ method
puts "Regexp =~ form : #{reg_a =~ "geeksforgeeks"}\n\n"

puts "Regexp =~ form : #{reg_b =~ "property"}\n\n"

puts "Regexp =~ form : #{reg_c =~ "codemonk"}\n\n"

Output :

Regexp =~ form : 0

Regexp =~ form : 

Regexp =~ form : 0