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Ruby | Regexp escape() function

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Regexp#escape() : escape() is a Regexp class method which returns a new string by escaping any characters that would have special meaning in a regular expression.

Syntax: Regexp.escape()

Parameter: Regexp values

Return: a new string by escaping any characters that would have special meaning in a regular expression.

Example #1 :




# Ruby code for Regexp.escape() method
   
# declaring Regexp value
reg_a = Regexp.escape('/a/')
   
   
# declaring Regexp value
reg_c = Regexp.escape('\*?{}.')
   
   
#  escape method
puts "Regexp escape form : #{reg_a}\n\n"
   
puts "Regexp escape form : #{reg_c}\n\n"


Output :

Regexp escape form : /a/

Regexp escape form : \\\*\?\{\}\.

Example #2 :




# Ruby code for Regexp.escape() method
  
# declaring Regexp value
reg_a = Regexp.escape('/geeks/')
  
# declaring Regexp value
reg_b = Regexp.escape('/(?<geeks>.)(?<for>.)(?<geeks>.)/')
  
# declaring Regexp value
reg_c = Regexp.escape('\*?????{}.')
  
  
#  escape method
puts "Regexp escape form : #{reg_a}\n\n"
  
puts "Regexp escape form : #{reg_b}\n\n"
  
puts "Regexp escape form : #{reg_c}\n\n"


Output :

Regexp escape form : /geeks/

Regexp escape form : /\(\?\.\)\(\?\.\)\(\?\.\)/

Regexp escape form : \\\*\?\?\?\?\?\{\}\.



Last Updated : 17 Dec, 2019
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