Regular Expressions 101

Licthe literal text Lic (case sensitive)

Non-Capturing Group(?:en[cs]e)?

?repeats the group contents below at most once:

enthe literal text en (case sensitive)

Character Class[cs]

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Non-Capturing Group(?:\W*No:)?

?repeats the group contents below at most once:

\W*any character that is not a Unicode word character, repeated any number of times

No:the literal text No: (case sensitive)

\W*any character that is not a Unicode word 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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

Lic(?:en[cs]e)?(?:\W*No:)?\W*\d+

New

License No: 2543 , License: 2543, License # 2543, License #2543, License# 2543