Scala String replaceFirst() method with example

The replaceFirst() method is same as replaceAll but here only the first appearance of the stated sub-string will be replaced.

Method Definition: String replaceFirst(String regex, String replacement)
Return Type: It returns the stated string after replacing the first appearance of stated regular expression with the string we provide.

Example #1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Scala program of replaceFirst()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying replaceFirst method
        val result = "csoNidhimsoSingh".replaceFirst(".so", "##")
          
        // Displays output
        println(result)
      
    }

chevron_right


Output:

##NidhimsoSingh

Example #2:



filter_none

edit
close

play_arrow

link
brightness_4
code

// Scala program of replaceFirst()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying replaceFirst method
        val result = "NidhimsoSinghcso".replaceFirst(".so", "*")
          
        // Displays output
        println(result)
      
    }

chevron_right


Output:

Nidhi*Singhcso

Example #3:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Scala program of replaceFirst()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying replaceFirst method
        val result = "fsoNidhimsoSinghcso".replaceFirst(".so", "*")
          
        // Displays output
        println(result)
      
    }

chevron_right


Output:

*NidhimsoSinghcso



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.