Regular Expressions 101

Group 1(^(.*?) *(<[^ ]+@[^ ]+\.[^ ].+>)$)

^start of line

Group 2(.*?)

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

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Group 3(<[^ ]+@[^ ]+\.[^ ].+>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Negated Character Class[^ ]+

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Negated Character Class[^ ]+

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negated Character Class[^ ]

the literal (32₁₀ / 40₈ / 20₁₆)

.+any character (except for line terminators), repeated at least once

>the literal > (62₁₀ / 76₈ / 3E₁₆)

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

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Search reference

Regular Expression

(^(.*?) *(<[^ ]+@[^ ]+\.[^ ].+>)$)

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