Regular Expressions 101

Negative Lookahead(?![^<]+>)

Negated Character Class[^<]+

+matches at least one character outside the set below:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 1(Word1|word4|d6|red)

1st AlternativeWord1

Word1the literal text Word1 (case insensitive)

2nd Alternativeword4

word4the literal text word4 (case insensitive)

3rd Alternatived6

d6the literal text d6 (case insensitive)

4th Alternativered

redthe literal text red (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?![^<]+>)(Word1|word4|d6|red)

New

<custom-tag>Word4<span style='font-family:"Candara","sans-serif"; color:red;'>Word1 Word2</span>Word3</custom-tag>
<custom-tag>Word1<span style='font-family:"Candara","sans-serif"'>Word2 red<br>Word1<b>Word6</b></span></custom-tag>