Regular Expressions 101

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/
'[^']*'(*SKIP)(*F)|[^'\s]*(\s{2,})[^'\s]*
/
gm
1st Alternative
'[^']*'(*SKIP)(*F)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
Match a single character not present in the list below
[^']
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
(*SKIP) acts like (*PRUNE), except that if the pattern is unanchored, the bumpalong advance is not to the next character, but to the position in the subject where (*SKIP) was encountered
(*F) shorthand for (*FAIL)
2nd Alternative
[^'\s]*(\s{2,})[^'\s]*
Match a single character not present in the list below
[^'\s]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
\s matches any whitespace character (equivalent to [\r\n\t\f\v ])
1st Capturing Group
(\s{2,})
\s
matches any whitespace character (equivalent to [\r\n\t\f\v ])
{2,} matches the previous token between 2 and unlimited times, as many times as possible, giving back as needed (greedy)
Match a single character not present in the list below
[^'\s]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
\s matches any whitespace character (equivalent to [\r\n\t\f\v ])
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
gm

Test String