Regular Expressions 101

Group 1(\S+)

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

\sany whitespace character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\sany whitespace character

Group 2(\S+)

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

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

(\S+)\s:\s(\S+)

New

fieldname1 : values1 with spaces - fieldname2 : value2 - fieldname3 : value-for-field3 
field name4 : values4withoutspaces - fieldname5 : value5 (this should be included in value5) - fieldname6 : value-for-field3 fieldname7 :