Regular Expressions 101

^start of line

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

'key_to_search_for'the literal text 'key_to_search_for' (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

'post_date'the literal text 'post_date' (case sensitive)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

= 'the literal text = '

Group 1([^']+)

Negated Character Class[^']+

+matches at least one character outside the set below:

'the literal ' (39₁₀ / 47₈ / 27₁₆)

';the literal text ';

$end of line

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^\['key_to_search_for'\]\['post_date'\] = '([^']+)';$

New

['key_to_search_for']['post_date'] = '10 days ago';