Regular Expressions 101

Pro

abcthe literal text abc (case sensitive)

Non-Capturing Group(?:(?!abc|xyz|123).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!abc|xyz|123)

1st Alternativeabc

abcthe literal text abc (case sensitive)

2nd Alternativexyz

xyzthe literal text xyz (case sensitive)

3rd Alternative123

123the literal text 123

.any Unicode character

123the literal text 123

Non-Capturing Group(?:(?!abc|xyz).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!abc|xyz)

1st Alternativeabc

abcthe literal text abc (case sensitive)

2nd Alternativexyz

xyzthe literal text xyz (case sensitive)

.any Unicode character

xyzthe literal text xyz (case sensitive)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

abc(?:(?!abc|xyz|123).)*123(?:(?!abc|xyz).)*xyz

New

abc 123 xyz
abc abc 123 xyz
abc text 123 xyz
abc text xyz xyz

abc 123 xyz
abc abc 123 xyz
abc text 123 xyz
abc text xyz xyz