Regular Expressions 101

Pro

Group 1(\.-)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Negative Lookahead(?!(.{7})?$)

Group 2(.{7})?

?repeats the group contents below at most once:

.{7}any Unicode character (except for line terminators), repeated exactly 7 times

$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.

25 tokens

Regular Expression

(\.-)(?!(.{7})?$)

New

GRID           1        3268.616-30.0828749.8656    
GRID           2        3268.781  -3.-14749.8888
GRID           3        3422.488580.928382.49383
GRID           4        3422.488     10.-2.49383
GRID           5        3422.488   10.-342.49383
GRID           6        3422.-488   10.-342.4938