Regular Expressions 101

Group 1((?:\b\w+?\b\s*){0,3})

Non-Capturing Group(?:\b\w+?\b\s*){0,3}

{0,3}repeats the group contents below between 0 and 3 times:

\ban ASCII word boundary

\w+?any word character, repeated at least once

\ban ASCII word boundary

\s*any whitespace character, repeated any number of times

Character Class[dD]

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

atathe literal text ata (case sensitive)

Group 2((?:\s*\b\w+?\b){0,3})

Non-Capturing Group(?:\s*\b\w+?\b){0,3}

{0,3}repeats the group contents below between 0 and 3 times:

\s*any whitespace character, repeated any number of times

\ban ASCII word boundary

\w+?any word character, repeated at least once

\ban ASCII word boundary

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

((?:\b\w+?\b\s*){0,3})[dD]ata((?:\s*\b\w+?\b){0,3})

New

 Data is very important in in in  to use because data jfsdl fjdskjf  asdkfj adlfj... 
  test ets tets tet We value data since we need it ...