70 lines
1.5 KiB
V
70 lines
1.5 KiB
V
import regex.pcre
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// Since 2026/02/08, regex.pcre is built-in and implemented in pure V.
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// The same example will compile and run with the C wrapper of the PCRE library
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// too, but you will need to `import pcre` instead.
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fn example() {
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r := pcre.new_regex('Match everything after this: (.+)', 0) or {
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println('An error occurred!')
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return
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}
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m := r.match_str('Match everything after this: "I ❤️ VLang!"', 0, 0) or {
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println('No match!')
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return
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}
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// m.get(0) -> Match everything after this: "I ❤️ VLang!"
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// m.get(1) -> "I ❤️ VLang!"'
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// m.get(2) -> Error!
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whole_match := m.get(0) or {
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println('We matched nothing...')
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return
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}
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matched_str := m.get(1) or {
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println('We matched nothing...')
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return
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}
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println(whole_match) // Match everything after this: "I ❤️ VLang!"
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println(matched_str) // "I ❤️ VLang!"
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}
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fn main() {
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example()
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mut text := '[ an s. s! ]( wi4ki:something )
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[ an s. s! ]( wi4ki:something )
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[ an s. s! ](wiki:something)
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[ an s. s! ](something)dd
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d [ an s. s! ](something ) d
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[ more text ]( something ) s [ something b ](something)dd
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'
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// check the regex on https://regex101.com/r/HdYya8/1/
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regex := r'(\[[a-z\.\! ]*\]\( *\w*\:*\w* *\))*'
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r := pcre.new_regex(regex, 0) or {
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println('An error occurred!')
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return
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}
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m := r.match_str(text, 0, 0) or {
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println('No match!')
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return
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}
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whole_match1 := m.get(0) or {
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println('We matched nothing 0...')
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return
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}
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println(whole_match1)
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println(m.get_all())
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}
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