title: How to get a string between 2 specific characters in C#
body: <p>Having a hard time with Regex.</p>
  
  <p>I have this string:</p>
  
  <p><img src="https://s9.postimg.org/61jgo65nz/ddd.png"></p>
  
  <p>I need to replace this whole number "11.000000" with another number.</p>
  
  <p>How do I identify this string by saying:</p>
  
  <p>Give me the string right before "%" until you reach the first blank space (" ")?</p>