Regular Expressions 101

Pro

Group 1((?:y,)([0-9AZa-z|\+|\-|\*|\.|\,|\(|\)|\/]+)\))

Non-Capturing Group(?:y,)

y,the literal text y, (case sensitive)

Group 2([0-9AZa-z|\+|\-|\*|\.|\,|\(|\)|\/]+)

Character Class[0-9AZa-z|\+|\-|\*|\.|\,|\(|\)|\/]+

+matches at least one character from the set below:

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

Zthe literal Z (90₁₀ / 132₈ / 5A₁₆) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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.

26 tokens

Regular Expression

((?:y,)([0-9AZa-z|\+|\-|\*|\.|\,|\(|\)|\/]+)\))

New

pow(y,2)
pow(y,2+2)
pow(y,2-3)
pow(y,2.2)
pow(y,(23)/(2))+23123
pow(y,pow(2,pow(2,4)))-932
pow(y,pow(2,1*pow(2,0.5)))+23

//Erro
pow(y,2)*pow(2,2)
pow(y,3)-pow(2,2)
pow(y,4)+pow(2,2)
pow(y,pow(2,1*pow(2,0.5)))+pow(1,1)