Regular Expressions 101

^start of line

Character Class[\w]+

+matches at least one character from the set below:

\wany word character

the literal (32₁₀ / 40₈ / 20₁₆)

Negative Lookahead(?!\d+\()

\d+a digit, repeated at least once

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1([\w]+)

Character Class[\w]+

+matches at least one character from the set below:

\wany word character

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:(?!\d+[,\)])(\w+))

Negative Lookahead(?!\d+[,\)])

\d+a digit, repeated at least once

Character Class[,\)]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 2(\w+)

\w+any word character, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:(?!\d+[,\)])(\w+))

Negative Lookahead(?!\d+[,\)])

\d+a digit, repeated at least once

Character Class[,\)]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 3(\w+)

\w+any word character, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

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.

Search reference

Regular Expression

^[\w]+ (?!\d+\()([\w]+)\((?:(?!\d+[,\)])(\w+)),(?:(?!\d+[,\)])(\w+))\)$

New

keyword input(param_input,param_input2)
keyword 12345(param_input,param_input2)
keyword in123(abc123_DEF4,a1_b2_C3_d45)
keyword input(12345678901,param_input2)
keyword input(param_input,123456789012)
keyword input(12345678901,123456789012)
keyword XYZ98(aaaa1111BB2,CCCCCCC33333)
keyword XYZ98(aaaa1111BB2,CCCCCCC33333,DD44)

Regular Expression

Extraction