Regular Expressions 101

Explanation

Pro

^start of string

Group first(?<first>[a-z]+)

Character Class[a-z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group second(?<second>[a-z]+)

Character Class[a-z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case insensitive)

$end of string, or before its final line terminator

Global pattern flags

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

Detailed match information will be displayed here automatically.

27 tokens

^(?<first>[a-z]+)\.(?<second>[a-z]+)$

New

firstString.secondString

firstString.secondString