Regular Expressions 101

\ban ASCII word boundary

Negative Lookahead(?!100)

100the literal text 100

\d{6,9}a digit, repeated between 6 and 9 times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\b(?!100)\d{6,9}

New

123456789012

Don't match: 10012345

Match: 1045677

Don't match:

1004567

Don't match: num="10034567" test

Match just the middle number in the line: num="10048876" 1200476, 1008888

Regular Expression

Extraction