Regular Expressions 101

<td>F<the literal text <td>F< (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

td>the literal text td> (case sensitive)

Negative Lookahead(?!\s*<\/tr>)

\s*a Unicode whitespace character, repeated any number of times

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

tr>the literal text tr> (case sensitive)

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.

Search reference

Regular Expression

<td>F<\/td>(?!\s*<\/tr>)

    <tr>
      <th>24</th>
      <td>F</td>
      <td></td>
      <td></td>
      <td>F</td>
    </tr>