Regular Expressions 101

Pro

\ban ASCII word boundary

Negative Lookbehind(?<!-)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

Negative Lookahead(?!-)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\ban ASCII word boundary

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

\b(?<!-)\d+(?!-)\b

New

Have to find 23, but not 44-58 and definitely not 88-99 but do find 22 & 38

Have to find 23, but not 44-58 and definitely not 88-99 but do find 22 & 38