php-regexHow to use regex in PHP to match dot character?

Regex (Regular Expressions) is a powerful tool used to match patterns in strings. In PHP, it can be used to match dot character (.) by using the preg_match() function.

<?php
$string = 'This is a string with a dot character.';
$pattern = '/\./';

if (preg_match($pattern, $string)) {
    echo 'Match found!';
}

Output example

Match found!

Code explanation

• $string: This is the string that will be searched for the pattern.
• $pattern: This is the regex pattern used to match the dot character.
• preg_match(): This is the function used to match the pattern in the string.

Helpful links

• PHP preg_match() Function
• Regular Expressions Tutorial

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