Regular Expressions 101

.*any character (except for line terminators), repeated any number of times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

.*,

New

The concept arose in the 1950s, when the American mathematician Stephen Cole Kleene formalized the description of a regular language, and came into common use with Unix text-processing utilities. Today different syntaxes for writing regular expressions exist, one being the POSIX standard, another widely used being the Perl syntax.

Regular Expression

Extraction