The mb_ereg_replace() is an inbuilt function in PHP that is used to search & replace a string using the regular expression. This function is similar to the preg_match() but works on the multibyte string.
Syntax:
mb_ereg_replace( $pattern, $replacement, $string, $options = null): string|false|null
Parameters: The following function accepts four parameters that are described below.
- $pattern: This parameter used regular expression. It must be a valid regular expression.
- $replacement: The string that is replaced according to the pattern.
- $string: This is the string where we search our pattern.
- $option: This is an optional parameter that is used for the matching option. Example ‘i’ for case insensitive and ‘m’ for multiline characters or ‘s’ for matching across lines.
Return Values: This function returns the resulting string if the function successfully executes otherwise it will return “false” on error.
Example 1: The following program demonstrates the mb_ereg_replace() function.
PHP
<?php $pattern = "[g]"; $replace = "G"; $return = mb_ereg_replace($pattern, $replace, "neveropen"); var_export($return); ?> |
Output:
'neveropen'
Example 2: The following program demonstrates the mb_ereg_replace() function.
PHP
<?php $pattern = "[neveropen]"; $replace = "Geeks"; $return = mb_ereg_replace($pattern, $replace, "neveropen"); var_export($return); ?> |
Output:
'GeeksGeeksGeeksGeeksneveropenGeeksGeeksGeeksGeeks'
Reference: https://www.php.net/manual/en/function.mb-ereg-replace.php
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