Replace All Occurrences in PHP String Example <?php echo str_replace("fine", "good", "I'm fine, I'm fine, I'm fine"); ?> #output: I'm good, I'm good, I'm good Removing a substring in a string To remove a substring from a string, you need to pass an empty string ("....
mixedstr_replace(mixed$search,mixed$replace,mixed$subject[,int&$count] ) This function returns a string or an array with all occurrences ofsearchinsubjectreplaced with the givenreplacevalue. If you don't need fancy replacing rules (like regular expressions), you should always use this function in...
For all the examples in this article, we'll be using the following string to replace the first occurrence of foo: $str = 'foobar foobaz fooqux'; Can I Use str_replace() to Replace Only the First Match? By default, PHP's str_replace(), replaces all occurrences of a match; an...
str_replace — Replace all occurrences of the search string with the replacement string str_rot13 — Perform the rot13 transform on a string str_shuffle — Randomly shuffles a string str_split — Convert a string to an array str_word_count — Return information about words used in a string...
Sample String : '\"\1+2/3*2:2-3/4*3'Sample Solution:PHP Code:<?php $my_str = '\"\1+2/3*2:2-3/4*3'; // Define the original string. echo str_replace(str_split('\\/:*?"<>|+-'), ' ', $my_str)."\n"; // Replace all occurrences of special characters with a ...
Returns the number of occurrences of $substring in the given string. By default, the comparison is case-sensitive, but can be made insensitive by setting $caseSensitive to false.s('Οσυγγραφέας είπε')->countSubstr('α'); // 2...
it will return an array of all occurrences a the substring in the stringExample : $test = "this is a test for testing a test function... blah blah";var_dump(strpos_r($test, "test"));// output array(3) { [0]=> int(29) [1]=> int(19) [2]=> int(10)}Paul-antoineMalé...
n?Matches any string that contains zero or one occurrences ofn n{x}Matches any string that contains a sequence ofXn's n{x,y}Matches any string that contains a sequence of X to Yn's n{x,}Matches any string that contains a sequence of at least Xn's ...
str_replace — Replace all occurrences of the search string with the replacement string str_rot13 — Perform the rot13 transform on a string str_shuffle — Randomly shuffles a string str_split — Convert a string to an array str_word_count — Return information about words used in a string...
Do a case-insensitive search for "w3schools" in a stringDo a case-insensitive count of the number of occurrences of "ain" in a stringReplace "Microsoft" with "W3Schools" in a string Regular Expressions explained PHP Form Validation