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detect www only urls #5

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detect www only urls #5

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10 changes: 5 additions & 5 deletions linkify.php
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Original file line number Diff line number Diff line change
Expand Up @@ -13,19 +13,19 @@ function linkify($text) {
# Match http & ftp URL that is not already linkified.
# Alternative 1: URL delimited by (parentheses).
(\() # $1 "(" start delimiter.
((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $2: URL.
((?:(?:ht|f)tps?:\/\/|www\.)[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $2: URL.
(\)) # $3: ")" end delimiter.
| # Alternative 2: URL delimited by [square brackets].
(\[) # $4: "[" start delimiter.
((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $5: URL.
((?:(?:ht|f)tps?:\/\/|www\.)[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $5: URL.
(\]) # $6: "]" end delimiter.
| # Alternative 3: URL delimited by {curly braces}.
(\{) # $7: "{" start delimiter.
((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $8: URL.
((?:(?:ht|f)tps?:\/\/|www\.)[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $8: URL.
(\}) # $9: "}" end delimiter.
| # Alternative 4: URL delimited by <angle brackets>.
(<|&(?:lt|\#60|\#x3c);) # $10: "<" start delimiter (or HTML entity).
((?:ht|f)tps?:\/\/[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $11: URL.
((?:(?:ht|f)tps?:\/\/|www\.)[a-z0-9\-._~!$&\'()*+,;=:\/?#[\]@%]+) # $11: URL.
(>|&(?:gt|\#62|\#x3e);) # $12: ">" end delimiter (or HTML entity).
| # Alternative 5: URL not delimited by (), [], {} or <>.
( # $13: Prefix proving URL not already linked.
Expand All @@ -35,7 +35,7 @@ function linkify($text) {
| [^=\s]\s+ # or... a non-equals sign followed by whitespace.
) # End $13. Non-prelinkified-proof prefix.
( \b # $14: Other non-delimited URL.
(?:ht|f)tps?:\/\/ # Required literal http, https, ftp or ftps prefix.
(?:(?:ht|f)tps?:\/\/|www\.) # Required literal http, https, ftp or ftps prefix.
[a-z0-9\-._~!$\'()*+,;=:\/?#[\]@%]+ # All URI chars except "&" (normal*).
(?: # Either on a "&" or at the end of URI.
(?! # Allow a "&" char only if not start of an...
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