regex101: JavaScript Match Workspace

Pro

^start of line

powthe literal text pow (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 1(\d[^()]*|pow$\d+,\d+(?:$|[^()]*$[^()]*$\)))

1st Alternative\d[^()]*

\da digit

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternativepow$\d+,\d+(?:$|[^()]*$[^()]*$\))

powthe literal text pow (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:\)|[^()]*$[^()]*$\))

1st Alternative\)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative[^()]*$[^()]*$\)

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

.*any character (except for line terminators), repeated any number of times

the literal ↵ (10₁₀ / 12₈ / A₁₆)

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

26 tokens

Regular Expression

^pow\([^,]+,(\d[^()]*|pow\(\d+,\d+(?:\)|[^()]*\([^()]*\)\)))\).*

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(1,1)
pow(y,pow(2,1*pow(2,0.5)))+pow(1,1)

Substitution

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(1,1)
pow(y,pow(2,1*pow(2,0.5)))+pow(1,1)