Regular Expressions 101

Group 1(.*)

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

Group 2([=])

Character Class[=]

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 3(.*)

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

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

(.*)([=])(.*)

7K_1=one9,o1;;1;8o^&%$#!@#y
K_2=val2
KEY3=val3
KEY4=val4
KEY=valueone
KEY2=value two spaces
KEY3=%specialChars&[*}*&()';
KEY_4=val4