regex101: PCRE (Legacy) Match Workspace

^start of line

protocol://the literal text protocol:// (case sensitive)

.{36,48}any character (except for line terminators), repeated between 36 and 48 times

/folder/indexthe literal text /folder/index (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

htmlthe literal text html (case sensitive)

Non-Capturing Group(?:\?param=.+)?

?repeats the group contents below at most once:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

param=the literal text param= (case sensitive)

.+any character (except for line terminators), repeated at least once

$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

Search reference

Regular Expression

^protocol://.{36,48}/folder/index\.html(?:\?param=.+)?$

New

protocol://1234-1234-1234-1234-1234-1234-1234-1234-1234/folder/index.html
protocol://1234-1234-1234-1234-1234-1234-1234-1234-1234/folder/index.html?param= 
protocol://1234-1234-1234-1234-1234-1234-1234-1234-1234/folder/index.html?param=test1234&a=1&b=234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890234567890
protocol://                                      /folder/index.html