Regular Expressions 101

Explanation

Pro

###the literal text ###

Non-Capturing Group(?:[^,]*,){8}

{8}repeats the group contents below exactly 8 times:

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

Group 1([\s\S]*?)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

Positive Lookahead(?=,[^,]*,[^,]*###)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

###the literal text ###

Global pattern flags

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

###(?:[^,]*,){8}\K([\s\S]*?)(?=,[^,]*,[^,]*###)

 ###element1,element2,element3,element4,element5,element6,element7,element8, "element9,
element9,""element9"",element9,
element9,element9,""element9",element10,
###

###BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,
BLAHBLAH,
BLAHBLAH,
BLAHBLAH, BLAHBLAH,
BLAHBLAH, BLAHBLAH,
BLAHBLAH,
"BLAHBLAH""",E,
###

Substitution

"\1"

 ###element1,element2,element3,element4,element5,element6,element7,element8, "element9,
element9,""element9"",element9,
element9,element9,""element9",element10,
###

###BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,BLAHBLAH,
BLAHBLAH,
BLAHBLAH,
BLAHBLAH, BLAHBLAH,
BLAHBLAH, BLAHBLAH,
BLAHBLAH,
"BLAHBLAH""",E,
###