fix anchors with underscores

Author: mjauvin

services/validation.md

@@ -171,45 +171,45 @@ Below is a list of all available validation rules and their function:
 <div class="columned-list">
 
 - [Accepted](#accepted)
-- [Active URL](#active_url)
-- [After (Date)](#after_date_)
+- [Active URL](#activeurl)
+- [After (Date)](#afterdate)
 - [Alpha](#alpha)
-- [Alpha Dash](#alpha_dash)
-- [Alpha Numeric](#alpha_num)
+- [Alpha Dash](#alphadash)
+- [Alpha Numeric](#alphanum)
 - [Array](#array)
-- [Before (Date)](#before_date_)
-- [Between](#between_min__max_)
+- [Before (Date)](#beforedate_)
+- [Between](#betweenminmax)
 - [Boolean](#boolean)
 - [Confirmed](#confirmed)
 - [Date](#date)
-- [Date Format](#date_format_format_)
-- [Different](#different_field_)
-- [Digits](#digits_value_)
-- [Digits Between](#digits_between_min__max_)
+- [Date Format](#dateformatformat)
+- [Different](#differentfield)
+- [Digits](#digitsvalue)
+- [Digits Between](#digitsbetweenminmax)
 - [E-Mail](#email)
-- [Exists (Database)](#exists_table__column_)
+- [Exists (Database)](#existstablecolumn)
 - [Image (File)](#image)
-- [In](#in_foo__bar_)
+- [In](#infoobar)
 - [Integer](#integer)
 - [IP Address](#ip)
-- [Max](#max_value_)
-- [MIME Types](#mimes_foo__bar_)
-- [Min](#min_value_)
-- [Not In](#not_in_foo__bar_)
+- [Max](#maxvalue)
+- [MIME Types](#mimesfoobar)
+- [Min](#minvalue)
+- [Not In](#notinfoobar)
 - [Nullable](#nullable)
 - [Numeric](#numeric)
-- [Regular Expression](#regex_pattern_)
+- [Regular Expression](#regexpattern)
 - [Required](#required)
-- [Required If](#required_if_field__value_)
-- [Required With](#required_with_foo__bar_)
-- [Required With All](#required_with_all_foo__bar_)
-- [Required Without](#required_without_foo__bar_)
-- [Required Without All](#required_without_foo__bar_)
-- [Same](#same_field_)
-- [Size](#size_value_)
-- [String](#string_value_)
+- [Required If](#requirediffieldvalue)
+- [Required With](#requiredwithfoobar)
+- [Required With All](#requiredwithallfoobar)
+- [Required Without](#requiredwithoutfoobar)
+- [Required Without All](#requiredwithoutfoobar)
+- [Same](#samefield)
+- [Size](#sizevalue)
+- [String](#stringvalue)
 - [Timezone](#timezone)
-- [Unique (Database)](#unique_table__column__except__idcolumn_)
+- [Unique (Database)](#uniquetablecolumnexceptidcolumn)
 - [URL](#url)
 
 </div>