Regular Expressions 101

Explanation
Pro

Group 1(<td(?=.*?class="MID")[^>]*>(?:(?!<\/td>).)*<\/td>)

<tdthe literal text <td (case sensitive)

Positive Lookahead(?=.*?class="MID")

.*?any character, repeated any number of times

class="MID"the literal text class="MID" (case sensitive)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Non-Capturing Group(?:(?!<\/td>).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!<\/td>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

td>the literal text td> (case sensitive)

.any character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

td>the literal text td> (case sensitive)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(<td(?=.*?class="MID")[^>]*>(?:(?!<\/td>).)*<\/td>)

New

<td width="33%" align="left" class="MID">
    <a href="ShowDOTCoByState.cfm?STATE=US&PHY_ST=IA">IOWA</a>
    </td>
<td width="33%" align="left">
    <a href="ShowDOTCoByState.cfm?STATE=US&PHY_ST=IA">IOWA</a>
    </td>

Substitution

<td width="33%" align="left" class="MID">
    <a href="ShowDOTCoByState.cfm?STATE=US&PHY_ST=IA">IOWA</a>
    </td>
<td width="33%" align="left">
    <a href="ShowDOTCoByState.cfm?STATE=US&PHY_ST=IA">IOWA</a>
    </td>