replace(String,String,String) -- regular expression replacement

Synopsis

• Usage:

  replace(p,r,s)

• Function: replace
• Inputs:

  • p, a string, a regular expression describing a pattern
  • r, a string, a replacement string
  • s, a string, a subject string to be searched
• Outputs:

  • a string, the string obtained from s by replacing its substrings matching p by copies of r.

Description

i1 : replace ("[a-z]+", "x", "Dog cat cat.")

o1 = Dx x x.

i2 : replace ("([a-z]+)", "(\\1)", "Dog cat cat.")

o2 = D(og) (cat) (cat).

See also

• regular expressions
• regex -- regular expression matching
• replace -- regular expression replacement