Regular Expressions 101

Pro

^start of line

\W*any character that is not a Unicode word character, repeated any number of times

Non-Capturing Group(?:(?!name\b)\w+\W+)*?

*?repeats the group contents below any number of times:

Negative Lookahead(?!name\b)

namethe literal text name (case sensitive)

\ba Unicode word boundary

\w+a Unicode word character, repeated at least once

\W+any character that is not a Unicode word character, repeated at least once

Jackthe literal text Jack (case sensitive)

.*any Unicode character (except for line terminators), repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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25 tokens

^\W*(?:(?!name\b)\w+\W+)*?Jack.*

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