Regular Expressions 101

1st Alternative^\d+

^start of line

\d+a Unicode decimal digit, repeated at least once

2nd Alternative\bNo\s*\d+

\ba Unicode word boundary

Nothe literal text No (case sensitive)

\s*a Unicode whitespace character, repeated any number of times

\d+a Unicode decimal digit, repeated at least once

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

^\d+|\bNo\s*\d+

32 Syndicate street
Street 45 No 100
15, Tom and Jerry Street