Regular Expressions 101

Positive Lookbehind(?<=value\=")

valuethe literal text value (case sensitive)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:[^"\\<]|\\"|\\\\|\\<)++

++repeats the group contents below at least once:

1st Alternative[^"\\<]

Negated Character Class[^"\\<]

"the literal " (34₁₀ / 42₈ / 22₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

2nd Alternative\\"

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternative\\\\

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

4th Alternative\\<

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Positive Lookahead(?=")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=value\=")(?:[^"\\<]|\\"|\\\\|\\<)++(?=")

Test String
New

<message>
 <set name=" value=" />
 <set name=".." value="garbled string" type="name" />
 <set age=".." value="32" />
 <set something=".." value="value=\"\"\"\"" />
 ..
</message>

Regular Expression

Test StringNew

Test String
New