Regular Expressions 101

^start of line

Negative Lookahead(?!')

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 1([^']+)?

?repeats the group contents below at most once:

Negated Character Class[^']+

+matches at least one character outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

on error gotothe literal text on error goto (case sensitive)

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

^(?!')([^']+)?on error goto

New

on error goto
on error goto
 on error goto
  on error goto
'on error goto
' on error goto
if aap =0 then on error goto errorhandler4

on error goto
on error goto
 on error goto
  on error goto
'on error goto
' on error goto
if aap =0 then on error goto errorhandler4