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How to change the color of the first character of a word using PHP script?
  • Last Updated : 27 Jan, 2021

The preg_replace() function is an in-built function that returns a word or array of words with the replacement of some content after searching the pattern. If the search pattern is not found then it will be returned unchanged. 

Approach:

  • Declare a variable with a string value.
  • Use preg_replace() function to replace the first character of every word.
  • Display the replaced value of the string variable. 

Example 1:

PHP




<?php
  
// Text to replace
$text = "Geeks For Geeks";
  
// The preg_replace is used here to replace the 
// color of first character of the word
$text = preg_replace('/(\b[a-z])/i'
'<span style="color:green;">\1</span>', $text);
  
// Display the text value
echo $text
?>

Output:



Example 2:

PHP




<?php
  
// Text to replace
$text = "Practice code in GEEKSFORGEEKS";
  
// The preg_replace is used here to replace the 
// color of first character of the word
$text = preg_replace('/(\b[a-z])/i'
'<span style="color:green;">\1</span>', $text);
  
// Display the text value
echo $text
?>

Output:

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