Regular Expressions 101

Pro

1st Alternative\b(?:p(?:i|ow)|m(?:in|ax))\b(*SKIP)(*FAIL)

\ban ASCII word boundary

Non-Capturing Group(?:p(?:i|ow)|m(?:in|ax))

1st Alternativep(?:i|ow)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

Non-Capturing Group(?:i|ow)

1st Alternativei

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

2nd Alternativeow

owthe literal text ow (case sensitive)

2nd Alternativem(?:in|ax)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

Non-Capturing Group(?:in|ax)

1st Alternativein

inthe literal text in (case sensitive)

2nd Alternativeax

axthe literal text ax (case sensitive)

\ban ASCII word boundary

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative[^0-9().,+*/\s-]+

Negated Character Class[^0-9().,+*/\s-]+

+matches at least one character outside the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

*the literal * (42₁₀ / 52₈ / 2A₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\sany whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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(?:p(?:i|ow)|m(?:in|ax))\b(*SKIP)(*FAIL)|[^0-9().,+*/\s-]+

New

25 * (233 - 1.5)

pow(25,2) / pi(); hack the pentagon;

25 * (233 - 1.5)

pow(25,2) / pi(); hack the pentagon;