Regular Expressions 101

varOnethe literal text varOne (case sensitive)

.any character (except for line terminators)

dataLayerthe literal text dataLayer (case sensitive)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

'products'the literal text 'products' (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\s?optionally matches any whitespace character

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s?optionally matches any whitespace character

Group 1([^;]*)

Negated Character Class[^;]*

*matches any number of characters outside the set below:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

varOne.dataLayer\['products'\]\s?=\s?([^;]*)

New

<script>
        let varOne.dataLayer['products'] = [
            {"prdocutId":1,"productName":"foo"},
            {"productId":2,"proudctName":"bar"}
        ];
        // Here's a comment
        let vartwo.dataLayer['foo'] = 'bar';
    </script>

Substitution

<script>
        let varOne.dataLayer['products'] = [
            {"prdocutId":1,"productName":"foo"},
            {"productId":2,"proudctName":"bar"}
        ];
        // Here's a comment
        let vartwo.dataLayer['foo'] = 'bar';
    </script>