regex101: PCRE2 (PHP) Match Workspace

Pro

Negative Lookahead(?!^'[^\d]+)

^start of line

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Negated Character Class[^\d]+

+matches at least one character outside the set below:

\da digit

\d+a digit, repeated at least once

Group 1(\.\d+)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Group 2( m?g)?

?repeats the group contents below at most once:

the literal (32₁₀ / 40₈ / 20₁₆)

m?optionally matches the literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

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

25 tokens

Regular Expression

(?!^'[^\d]+)\d+(\.\d+)?( m?g)?

New

'Anakinra 100 g, gentechnologisch hergestellt aus E. coli.'
'Anakinra 100 mg, gentechnologisch hergestellt aus E. coli.'
'Anakinra 10.5 g, gentechnologisch hergestellt aus E. coli.'
'Anakinra 10, gentechnologisch hergestellt aus E. coli.'

Substitution

'Anakinra 100 g, gentechnologisch hergestellt aus E. coli.'
'Anakinra 100 mg, gentechnologisch hergestellt aus E. coli.'
'Anakinra 10.5 g, gentechnologisch hergestellt aus E. coli.'
'Anakinra 10, gentechnologisch hergestellt aus E. coli.'