Regular Expressions 101

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/
(.*\n.*)\n(.*)\s{2,}(\d{5})\s{2,}\b(.*)
/
gm
1st Capturing Group
(.*\n.*)
.*
matches any character (except for line terminators)
* Quantifier — Matches between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\n matches a line-feed (newline) character (ASCII 10)
.*
matches any character (except for line terminators)
* Quantifier — Matches between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\n matches a line-feed (newline) character (ASCII 10)
2nd Capturing Group
(.*)
.*
matches any character (except for line terminators)
* Quantifier — Matches between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\s{2,}
matches any whitespace character (equal to [\r\n\t\f\v ])
{2,} Quantifier — Matches between 2 and unlimited times, as many times as possible, giving back as needed (greedy)
3rd Capturing Group
(\d{5})
\d{5}
matches a digit (equal to [0-9])
{5} Quantifier — Matches exactly 5 times
\s{2,}
matches any whitespace character (equal to [\r\n\t\f\v ])
{2,} Quantifier — Matches between 2 and unlimited times, as many times as possible, giving back as needed (greedy)
\b assert position at a word boundary: (^\\w|\\w$|\\W\\w|\\w\\W)
4th Capturing Group
(.*)
.*
matches any character (except for line terminators)
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