Regular Expressions 101

\ban ASCII word boundary

Group 1(\d+)

\d+a digit, repeated at least once

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

Character Class[Ss]

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

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

Character Class[Ff]

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

fthe literal f (102₁₀ / 146₈ / 66₁₆) (case sensitive)

\ban ASCII word boundary

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(\d+)\s*[Ss][Ff]\b

New

'other stuff 1000 SF'
'other stuff 1000SF'
a b c 5sf 10sf 12sf
aa 00 1100 fs sf 1sf
1sf.
.1sf?
5sff