regex101: PCRE2 (PHP) Match Workspace

Group 1([\r\n].*?)

Character Class[\r\n]

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

.*?any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:=?\r|\n)

1st Alternative=?\r

=?optionally matches the literal = (61₁₀ / 75₈ / 3D₁₆)

\ra carriage return (ASCII 13)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Group 2(.*?(?:14393).*)

.*?any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:14393)

14393the literal text 14393

.*any character (except for line terminators), repeated any number of times

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

Search reference

Regular Expression

([\r\n].*?)(?:=?\r|\n)(.*?(?:14393).*)

New

<tr>
<td>CBB <span> &bull; </span> CB <span> &bull; </span> LTSB</td>
<td>2022-09-13</td>
<td>14393.5356</td>
<td><a href="https://support.microsoft.com/help/5017305" target="_blank" data-linktype="external">KB5017305</a></td>
</tr>
<tr>
<td>CBB <span> &bull; </span> CB <span> &bull; </span> LTSB</td>
<td>2022-08-09</td>
<td>14393.5291</td>
<td><a href="https://support.microsoft.com/help/5016622" target="_blank" data-linktype="external">KB5016622</a></td>
</tr>
<tr>
<td>CBB <span> &bull; </span> CB <span> &bull; </span> LTSB</td>
<td>2022-07-12</td>
<td>14393.5246</td>
<td><a href="https://support.microsoft.com/help/5015808" target="_blank" data-linktype="external">KB5015808</a></td>
</tr>
<tr>
<td>CBB <span> &bull; </span> CB <span> &bull; </span> LTSB</td>
<td>2022-06-14</td>
<td>14393.5192</td>
<td><a href="https://support.microsoft.com/help/5014702" target="_blank" data-linktype="external">KB5014702</a></td>
</tr>
<tr>