Regular Expressions 101

\Astart of string

Positive Lookahead(?=.*(?P<name>tom|jack))

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

Group name(?P<name>tom|jack)

1st Alternativetom

tomthe literal text tom (case sensitive)

2nd Alternativejack

jackthe literal text jack (case sensitive)

Positive Lookahead(?=.*(?P<property>car|bike))

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

Group property(?P<property>car|bike)

1st Alternativecar

carthe literal text car (case sensitive)

2nd Alternativebike

bikethe literal text bike (case sensitive)

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

\A(?=.*(?P<name>tom|jack))(?=.*(?P<property>car|bike))

New

i am tom and i have a car