NotePad用正则表达式，怎么将WIDTH="数字"统一替换成WIDTH="255"

ron_xin 2020-01-25 01:54:17



<?xml version="1.0"?><DATAPACKET Version="2.0"><METADATA><FIELDS><FIELD attrname="TICKETCODE" fieldtype="string" WIDTH="12"/><FIELD attrname="NAME" fieldtype="string" WIDTH="19"/><FIELD attrname="SURNAME" fieldtype="string" WIDTH="32"/><FIELD attrname="GIVENNAME" fieldtype="string" WIDTH="32"/><FIELD attrname="GENDER" fieldtype="string" WIDTH="1"/><FIELD attrname="IDTYPE" fieldtype="string" WIDTH="1"/><FIELD attrname="IDNUMBER" fieldtype="string" WIDTH="44"/><FIELD attrname="DATEOFBIRTH" fieldtype="string" WIDTH="10"/><FIELD attrname="NATION" fieldtype="string" WIDTH="32"/><FIELD attrname="DATEOFEXPRY" fieldtype="string" WIDTH="10"/><FIELD attrname="FG" fieldtype="string" WIDTH="1"/><FIELD attrname="CHECKA" fieldtype="string" WIDTH="1"/><FIELD attrname="CHECKB" fieldtype="string" WIDTH="1"/><FIELD attrname="AGATECHECKINTIME" fieldtype="string" WIDTH="19"/><FIELD attrname="BGATECHECKINTIME" fieldtype="string" WIDTH="19"/><FIELD attrname="AIRWAYS" fieldtype="string" WIDTH="32"/><FIELD attrname="FLIGHTNUMBER" fieldtype="string" WIDTH="32"/><FIELD attrname="COMEFROM" fieldtype="string" WIDTH="32"/><FIELD attrname="ISSUINGCOUNTRY" fieldtype="string" WIDTH="32"/><FIELD attrname="ISSUEDAT" fieldtype="string" WIDTH="32"/><FIELD attrname="BIRTHPLACEPINYIN" fieldtype="string" WIDTH="32"/><FIELD attrname="IDNOTAIWAN" fieldtype="string" WIDTH="32"/></FIELDS><PARAMS/></METADATA><ROWDATA/><METADATA><FIELDS><FIELD attrname="TICKETCODE" fieldtype="string" WIDTH="12"/><FIELD attrname="NAME" fieldtype="string" WIDTH="19"/><FIELD attrname="SURNAME" fieldtype="string" WIDTH="32"/><FIELD attrname="GIVENNAME" fieldtype="string" WIDTH="32"/><FIELD attrname="GENDER" fieldtype="string" WIDTH="1"/><FIELD attrname="IDTYPE" fieldtype="string" WIDTH="1"/><FIELD attrname="IDNUMBER" fieldtype="string" WIDTH="44"/><FIELD attrname="DATEOFBIRTH" fieldtype="string" WIDTH="10"/><FIELD attrname="NATION" fieldtype="string" WIDTH="32"/><FIELD attrname="DATEOFEXPRY" fieldtype="string" WIDTH="10"/><FIELD attrname="FG" fieldtype="string" WIDTH="1"/><FIELD attrname="CHECKA" fieldtype="string" WIDTH="1"/><FIELD attrname="CHECKB" fieldtype="string" WIDTH="1"/><FIELD attrname="AGATECHECKINTIME" fieldtype="string" WIDTH="19"/><FIELD attrname="BGATECHECKINTIME" fieldtype="string" WIDTH="19"/><FIELD attrname="AIRWAYS" fieldtype="string" WIDTH="32"/><FIELD attrname="FLIGHTNUMBER" fieldtype="string" WIDTH="32"/><FIELD attrname="COMEFROM" fieldtype="string" WIDTH="32"/><FIELD attrname="ISSUINGCOUNTRY" fieldtype="string" WIDTH="32"/><FIELD attrname="ISSUEDAT" fieldtype="string" WIDTH="32"/><FIELD attrname="BIRTHPLACEPINYIN" fieldtype="string" WIDTH="32"/><FIELD attrname="IDNOTAIWAN" fieldtype="string" WIDTH="32"/></FIELDS><PARAMS/></METADATA><ROWDATA/></DATAPACKET>

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X-i-n 2020-01-29

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(?<=WIDTH=")：逆序环视，查找条件为左边内容是WIDTH=，同时这一匹配条件并不加入查找结果（查找结果不包含 WIDTH=）； \d+：\d等效于[0-9]，最长限度地匹配数字，直到出现非数字为止。最终的匹配效果就是尽可能长地匹配数字，匹配条件是“左边内容是WIDTH=”，然后把这个数字替换为255。

ron_xin 2020-01-28