Regular Expressions 101

(?si)applies the following effective flags to the remainder of the pattern: gsi

s modifier: single line. Allows a dot to match line terminators

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

Group 1(.*?[_\s]Arve number[\s_:.]*(^TÄNAME))

.*?any Unicode character, repeated any number of times

Character Class[_\s]

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\sa Unicode whitespace character

Arve numberthe literal text Arve number (case insensitive)

Character Class[\s_:.]*

*matches any number of characters from the set below:

\sa Unicode whitespace character

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2(^TÄNAME)

^start of string

TÄNAMEthe literal text TÄNAME (case insensitive)

Group arvenumber(?<arvenumber>[^\s_]+)

Negated Character Class[^\s_]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

.*?any Unicode character, repeated any number of times

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?si)(.*?[_\s]Arve number[\s_:.]*(^TÄNAME))(?<arvenumber>[^\s_]+).*?

New

20309  NARVA
Arve number:_21954901
Arve number. Täname.
Kliendi number:_11654