expect the result of replacement 10062899f25a-1234.png
String name = "10062899f25a-05a6.png";
String replaceValue = StringUtils.replaceAll(name, "^\\-\\w{4}", "-1234");
System.out.println("replaceValue " + replaceValue);
expect the result of replacement 10062899f25a-1234.png
String name = "10062899f25a-05a6.png";
String replaceValue = StringUtils.replaceAll(name, "^\\-\\w{4}", "-1234");
System.out.println("replaceValue " + replaceValue);
remove ^\
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var newsname; ctrl.checkNameLegal = function () { if (ctrl.fileName) { var exports = ^(?![.])[ u4e00- u9fa5_.a-zA-Z0-9]+$ ig; if (exports.test(ctrl.fileName)) { newsname = ctrl.fileName; } else { ctrl.fileName = newsname; } } else { newsname = ...
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