Regular Expressions 101

^start of line

Negative Lookahead(?!.* ?<br/?> ?Unit\..*)

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

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

<brthe literal text <br (case sensitive)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Unitthe literal text Unit (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

Group 1(.*Unit\..*)

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

Unitthe literal text Unit (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

$end of line

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

^(?!.* ?<br/?> ?Unit\..*)(.*Unit\..*)$

<td>Unit.</td>
<td>Preço<br/>Unit.</td>
<td>Preço<br>Unit.</td>
<td>Preço <br> Unit.</td>
<td>Preço<br> Unit.</td>
<td>Preço <br>Unit.</td>