Regular Expressions 101

<imgthe literal text <img (case sensitive)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 1(<\/?\w+[^>]*>)*

*repeats the group contents below any number of times:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

+the literal (32₁₀ / 40₈ / 20₁₆) , repeated at least once

Positive Lookahead(?=\S)

\Sany non-whitespace character

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

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Search reference

Regular Expression

<img[^>]*>(<\/?\w+[^>]*>)* +(?=\S)

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