How to extract floating point value from string in javascript?
Question
How to extract the value "-1.23" from the following string using JS regex?
"hello-sdvf-1.23 23 everybody 4"
this code extracts only "-1"
("hello-sdvf-1.23 23 everybody 4").match(/[-]\d+|\d+/)[0];
1 answers
solution1
6 ACCPTED 2015-07-14 04:58:22
您还需要定义模式以匹配小数部分。
string.match(/-?\d+\.\d+/)
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