Regular Expressions 101

Pro

Group 1(https?|ftp)

1st Alternativehttps?

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

2nd Alternativeftp

ftpthe literal text ftp (case sensitive)

://the literal text ://

Group 2((?!wm\.)[^/]+\.)*

*repeats the group contents below any number of times:

Negative Lookahead(?!wm\.)

wmthe literal text wm (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negated Character Class[^/]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(localhost|win|tplinkwifi.net|tplinkrepeater.net)

1st Alternativelocalhost

localhostthe literal text localhost (case sensitive)

2nd Alternativewin

winthe literal text win (case sensitive)

3rd Alternativetplinkwifi.net

tplinkwifithe literal text tplinkwifi (case sensitive)

.any character (except for line terminators)

netthe literal text net (case sensitive)

4th Alternativetplinkrepeater.net

tplinkrepeaterthe literal text tplinkrepeater (case sensitive)

.any character (except for line terminators)

netthe literal text net (case sensitive)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

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25 tokens

(https?|ftp)://((?!wm\.)[^/]+\.)*(localhost|win|tplinkwifi.net|tplinkrepeater.net)/

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