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Using Laravel for Advanced String Manipulation in PHP

Solution: Adjust the Pattern To Return the Required Matches

Understand how to adjust regular expression patterns using negative lookbehind in Laravel to accurately capture string matches, even with escaped quotes. This lesson helps you refine pattern matching techniques for more reliable string processing.

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Problem statement

Observe following code sample:

PHP
<?php
$text = <<<'TEXT'
"one", "two", "three, \"four\", five", "six", "seven"
TEXT;
preg_match_all(
    '/".*?"/',
    $text,
    $matches
);

This will return the following matches:

[
  0 => [
    0 => ""one""
    1 => ""two""
    2 => ""three, \""
    3 => "", five""
    4 => ""six""
    5
...