Regular Expressions 101

^start of line

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Group 1(HEADER|COMMENTS|DATA)

1st AlternativeHEADER

HEADERthe literal text HEADER (case sensitive)

2nd AlternativeCOMMENTS

COMMENTSthe literal text COMMENTS (case sensitive)

3rd AlternativeDATA

DATAthe literal text DATA (case sensitive)

$end of line

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^\*\*(HEADER|COMMENTS|DATA)$

**HEADER
abc
def
**COMMENTS
ghi
jkl
**DATA
**junkheader
123**000
546**123
789