JAVA：检查字符串是否有特殊字符 [英] JAVA: check a string if there is a special character in it

问题描述

如果有特殊字符，如何检查字符串：

How do you check a string if there is a special character like:

[,],{,},{,),*,|,:,>,

推荐答案

Pattern p = Pattern.compile("[^a-z0-9 ]", Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher("I am a string");
boolean b = m.find();

if (b)
   System.out.println("There is a special character in my string");

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