Regular Expressions 101

Positive Lookbehind(?<=\bstyle="[^"]*)

\ban ASCII word boundary

style="the literal text style=" (case sensitive)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Character Class[A-F0-9]{6}

{6}matches exactly 6 characters from the set below:

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\ban ASCII word boundary

Positive Lookahead(?=[^"]*")

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

(?<=\bstyle="[^"]*)#[A-F0-9]{6}\b(?=[^"]*")

New

<span style="color: #FF0000;background-color: #FFFF99;font-family: Calibri;font-size: 11pt;font-weight: bold;font-style: normal">This shouldn't be in result #FFFF99</span>
<span style="color: #FF0000;background-color: #FFFF99;font-family: Calibri;font-size: 11pt;font-weight: bold;font-style: normal">This shouldn't be in result #FFFF99</span>

Regular Expression

Extraction