Dont try to highlight radio/checkboxes

src/bootstrap-table.js

@@ -1573,7 +1573,7 @@ class BootstrapTable {
           this.options.undefinedText : value
       }
 
-      if (column.searchable && this.searchText && this.options.searchHighlight) {
+      if (column.searchable && this.searchText && this.options.searchHighlight && !(column.checkbox || column.radio)) {
         let defValue = ''
         const regExp = new RegExp(`(${ this.searchText.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') })`, 'gim')
         const marker = '<mark>$1</mark>'