Java String.replaceFirst() to replace First occurrence of char or string

String.replaceFirst() replace First occurrence of matching char or string .
Here are some examples with output.
Replacing char

String str = "Welcome to plus2net.com";  
System.out.println(str.replaceFirst("o","*"));

Output is here

Welc*me to plus2net.com

Replacing string

String str = "Welcome to plus2net.com";  
System.out.println(str.replaceFirst("com","net"));

Output is here

Welnete to plus2net.com

Note : In above code, there is one replacement.

All String functions

replace() replaceAll() startsWith() getChars() Java - Tutorials

Java

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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string.replaceFirst()

Subhendu Mohapatra