1<!-- 2 **************************************************************************** 3 * Copyright 2020-2023,2024 Thomas E. 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Each provides 69 functions for field- and character-validation, according to the given 70 datatype. 71 72 73</PRE><H3><a name="h3-TYPE_ALNUM">TYPE_ALNUM</a></H3><PRE> 74 This holds alphanumeric data. 75 76 77</PRE><H3><a name="h3-TYPE_ALPHA">TYPE_ALPHA</a></H3><PRE> 78 This holds alphabetic data. 79 80 81</PRE><H3><a name="h3-TYPE_ENUM">TYPE_ENUM</a></H3><PRE> 82 This holds an enumerated type. 83 84 85</PRE><H3><a name="h3-TYPE_INTEGER">TYPE_INTEGER</a></H3><PRE> 86 This holds a decimal integer. 87 88 89</PRE><H3><a name="h3-TYPE_IPV4">TYPE_IPV4</a></H3><PRE> 90 This holds an IPv4 internet address, e.g., "127.0.0.1". 91 92 93</PRE><H3><a name="h3-TYPE_NUMERIC">TYPE_NUMERIC</a></H3><PRE> 94 This holds a decimal number, with optional sign and decimal point. 95 96 97</PRE><H3><a name="h3-TYPE_REGEXP">TYPE_REGEXP</a></H3><PRE> 98 This holds a regular expression. 99 100 101</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE> 102 The <STRONG>TYPE_IPV4</STRONG> variable is an extension not provided by older 103 implementations of the form library. 104 105 106</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE> 107 <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG> 108 109 110 111ncurses 6.5 2024-03-16 <STRONG><A HREF="form_variables.3x.html">form_variables(3x)</A></STRONG> 112</PRE> 113<div class="nav"> 114<ul> 115<li><a href="#h2-NAME">NAME</a></li> 116<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li> 117<li><a href="#h2-DESCRIPTION">DESCRIPTION</a> 118<ul> 119<li><a href="#h3-TYPE_ALNUM">TYPE_ALNUM</a></li> 120<li><a href="#h3-TYPE_ALPHA">TYPE_ALPHA</a></li> 121<li><a href="#h3-TYPE_ENUM">TYPE_ENUM</a></li> 122<li><a href="#h3-TYPE_INTEGER">TYPE_INTEGER</a></li> 123<li><a href="#h3-TYPE_IPV4">TYPE_IPV4</a></li> 124<li><a href="#h3-TYPE_NUMERIC">TYPE_NUMERIC</a></li> 125<li><a href="#h3-TYPE_REGEXP">TYPE_REGEXP</a></li> 126</ul> 127</li> 128<li><a href="#h2-PORTABILITY">PORTABILITY</a></li> 129<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li> 130</ul> 131</div> 132</BODY> 133</HTML> 134