Regular Expressions 101

somewordthe literal text someword (case insensitive)

\s+any whitespace character, repeated at least once

Non-Capturing Group(?:\S+\s+){1,3}

{1,3}repeats the group contents below between 1 and 3 times:

\S+any non-whitespace character, repeated at least once

\s+any whitespace character, repeated at least once

otherwordthe literal text otherword (case insensitive)

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

someword\s+(?:\S+\s+){1,3}otherword

Test String
New

someword aaa otherword
someword aaa bbb otherword
someword aaa bbb ccc otherword
someword aaa bbb ccc ddd otherword
someword aaa bbb ccc ddd otherword someword aaa otherword someword aaa bbb ccc otherword someword aaa bbb ccc ddd otherword someword aaa bbb otherword

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
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