Regular Expressions 101

Explanation
Pro

Positive Lookbehind(?<=\[prev)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

prevthe literal text prev (case sensitive)

Group 1( title="[^"]+")

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

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2( cont="[^"]+" res="[^"]+")

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

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Negated Character Class[^"]+

+matches at least one character 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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?<=\[prev)( title="[^"]+")( cont="[^"]+" res="[^"]+")

[prev title="sample1" cont="sample1a" res="sample1b" mw="1"][prev title="sample2" cont="sample2a" res="sample2b" mw="2"][prev title="sample3" cont="sample3a" res="sample3b" mw="3"].

Substitution

$2$1

[prev title="sample1" cont="sample1a" res="sample1b" mw="1"][prev title="sample2" cont="sample2a" res="sample2b" mw="2"][prev title="sample3" cont="sample3a" res="sample3b" mw="3"].