Regular Expressions 101

Positive Lookbehind(?<=,|^)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative^

^start of line

XXXthe literal text XXX (case sensitive)

Positive Lookahead(?=,|$)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative$

$end of line

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

(?<=,|^)XXX(?=,|$)

New

XXXCAP,XXX CAPITAL LIMITED
XXX,XXX POLYMERS LIMITED, 3455
YYY,XXX REP LIMITED,999,XXX