Ko te tino wātea Ka whakamātautau te Regex

Whakamātautau i tētahi kīanga noa ki tōna kupu ora, me te ōrite me te whakamāramatanga rōpū.

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He pēhea te mahi

  1. Ka tāuru i tētahi tauira. Type i tōna kīanga noa me ētahi tohu (g, i, m, s, u).
  2. Paki te kupu whakamātautau. Tae atu te kupu hei whakahaere i a ia; e whakaata ana ngā ōritetanga i te wā e tātuhi ana.
  3. Ka pānui te pāhonotanga. Tirohia te tatau, te ōritetanga whakaata, me ētahi rōpū whakataki.

Mo tēnei utauta

Ka hanga me te whakamātau i tētahi kīanga noa ki te kupu tūturu, me te mātaki i ngā tātai i te wā e tātuhi ana. Hei tāuru i te tauira me ngā tohu, tāpiri i tō tātou kupu whakamātautau, ā, ka tohu i ia tātai i roto i ngā rōpū whakataki i whakarārangitia i raro nei - kia kitea ai e koe i te wā kotahi mēnā ka mahi te regex i te mea e hiahiatia ana e koe. Ka whakamahia e ia te mīhini JavaScript regex o tō tātou kaitiaki, kia ōrite ai te whanonga ki te mea e whiwhi ana i a koe i JS, ā, kāore e tukuna i tētahi wāhi. Ka whakamāramatia e ngā kōwhiringa hōhonu ngā tohu (aowhānui, kāore i te whakaae, maha-rai, tāpiri, unicode).

He aha te whakamahinga o te tangata mo ia

  • Ka whakamātautau te pūrongo pūnoa ki te mea e tūmanako ana koe i mua i te whakawhiwhinga
  • Ka whakarerekē i tētahi tauira kāore e mau i te kupu tika
  • Tirohia ngā rōpū whakataki mō tētahi kīanga matatini
  • Ko te akoranga o te pūrongo pūnoa mā te whakamātautau me te whakarongo ā-whakaaro

Ko nga pātai e pā ana

Ko te mīhini kīanga noa o JavaScript o tōmu kaitiaki, kia ōrite ai ngā hua ki te regex ECMAScript - he whai tikanga ina tuhituhi rānei i te regex mō JS, i tētahi taupānga rānei o te whatunga.

Ko te g e ōrite ana ki te ao whānui, ka whakakāhoretia e au te take, m e mahi ana i ^ me te $ e ōrite ana ki ngā mutunga raina, ka whakaaetia e s. te ōritetanga o ngā raina hou, ā, ka taea e u te unicode katoa. E whakaatu ana ēnei whakamāramatanga i ngā kōwhiringa hōhonu.

He - kua whakarārangitia ngā rōpū whakawhiwhinga ā-tau o ia ōrite i raro i te kupu whakawhiwhinga kia kitea ai e koe te mea tika i whakawhiwhia.

Kāore. Ka haere katoa ngā mea i te pae i roto i tōmu kaitiaki, nō reira kāore he mea e tuhituhi ana i te whakawātea i tōmu pūrere.

Kāore te tauira i te tika JavaScript regex - i te nuinga o te wā he kāri, he kāri rānei kāore i te ātete. Ko te karere hapa e tohu ana ki te mea i whakahētia e te mīhini.

He - he utauta taha o te kaimārō, kāore he pūkete, kāore he tepe, kāore he mea rokirokitia.

He. Ka haere i roto i tōna kaitiaki, nā reira ka mahi te Regex Tester i runga i ngā pūkoro me ngā tātaitai, tae atu ki te papamuri - kāore he taupānga hei whakatū.

Ko te nuinga o te wā he rua neke atu i te rua mō tētahi faila pūnoa - ka tīmata te Regex Tester ki te mahi i te wā e hoatu ana e koe tōna tāuru.

Kāore te whakamahinga ā-wāhanga i te whakawhāititia, i raro i te kōpaka o te whakamahinga tika e mau tonu ana ki te tere mō ia tangata.

Ko ngā kaituhi onāianei katoa - Chrome, Safari, Firefox me Edge. Kāore e hiahiatia ana e Regex Tester he mea whakatūria i tua atu i te kaituhi e whakamahia ana e koe.

Ka pātata ngā utauta

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